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126970 = 2512697
BaseRepresentation
bin11110111111111010
320110011121
4132333322
513030340
62415454
71036114
oct367772
9213147
10126970
1187438
126158a
1345a3c
14343b4
152794a
hex1effa

126970 has 8 divisors (see below), whose sum is σ = 228564. Its totient is φ = 50784.

The previous prime is 126967. The next prime is 126989. The reversal of 126970 is 79621.

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 6561 = 347^2 + 81^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1269702 = 32242761800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6339 + ... + 6358.

2126970 is an apocalyptic number.

126970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126970 is a deficient number, since it is larger than the sum of its proper divisors (101594).

126970 is a wasteful number, since it uses less digits than its factorization.

126970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 126970 is about 356.3285001231. The cubic root of 126970 is about 50.2612987472.

The spelling of 126970 in words is "one hundred twenty-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 12697 25394 63485 126970