1201500245 has 64 divisors (see below), whose sum is σ = 1791590400. Its totient is φ = 762024960.

The previous prime is 1201500233. The next prime is 1201500271. The reversal of 1201500245 is 5420051021.

It is not a de Polignac number, because 1201500245 - 2¹⁶ = 1201434709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 834236 + ... + 835674.

It is an arithmetic number, because the mean of its divisors is an integer number (27993600).

Almost surely, 2^1201500245 is an apocalyptic number.

It is an amenable number.

1201500245 is a deficient number, since it is larger than the sum of its proper divisors (590090155).

1201500245 is a wasteful number, since it uses less digits than its factorization.

1201500245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1201500245 is about 34662.6635589361. The cubic root of 1201500245 is about 1063.1012314847.

Adding to 1201500245 its reverse (5420051021), we get a palindrome (6621551266).

The spelling of 1201500245 in words is "one billion, two hundred one million, five hundred thousand, two hundred forty-five".