126890965 has 8 divisors (see below), whose sum is σ = 154542240. Its totient is φ = 99997392.

The previous prime is 126890927. The next prime is 126890989. The reversal of 126890965 is 569098621.

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

It is a cyclic number.

It is not a de Polignac number, because 126890965 - 2⁷ = 126890837 is a prime.

It is a super-2 number, since 2×126890965² = 32202633997262450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189055 + ... + 189724.

It is an arithmetic number, because the mean of its divisors is an integer number (19317780).

Almost surely, 2^126890965 is an apocalyptic number.

It is an amenable number.

126890965 is a deficient number, since it is larger than the sum of its proper divisors (27651275).

126890965 is an equidigital number, since it uses as much as digits as its factorization.

126890965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378851.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 126890965 is about 11264.5889849564. The cubic root of 126890965 is about 502.5086786782.

The spelling of 126890965 in words is "one hundred twenty-six million, eight hundred ninety thousand, nine hundred sixty-five".