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1202130201 = 373103137389
BaseRepresentation
bin100011110100111…
…0000110100011001
310002210000112121210
41013221300310121
54430221131301
6315141453333
741534636526
oct10751606431
93083015553
101202130201
11567631238
12296711249
1316208bc5c
14b592614d
157080bad6
hex47a70d19

1202130201 has 32 divisors (see below), whose sum is σ = 1656794880. Its totient is φ = 775056384.

The previous prime is 1202130191. The next prime is 1202130217. The reversal of 1202130201 is 1020312021.

It is not a de Polignac number, because 1202130201 - 215 = 1202097433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202130221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3090115 + ... + 3090503.

It is an arithmetic number, because the mean of its divisors is an integer number (51774840).

Almost surely, 21202130201 is an apocalyptic number.

It is an amenable number.

1202130201 is a deficient number, since it is larger than the sum of its proper divisors (454664679).

1202130201 is a wasteful number, since it uses less digits than its factorization.

1202130201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1202130201 is about 34671.7493213135. The cubic root of 1202130201 is about 1063.2869964598.

Adding to 1202130201 its reverse (1020312021), we get a palindrome (2222442222).

The spelling of 1202130201 in words is "one billion, two hundred two million, one hundred thirty thousand, two hundred one".

Divisors: 1 3 73 103 137 219 309 389 411 1167 7519 10001 14111 22557 28397 30003 40067 42333 53293 85191 120201 159879 1030103 2924891 3090309 3890389 5489179 8774673 11671167 16467537 400710067 1202130201