126898961 has 8 divisors (see below), whose sum is σ = 145434240. Its totient is φ = 108465408.

The previous prime is 126898957. The next prime is 126898991. The reversal of 126898961 is 169898621.

It is a happy number.

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 126898961 - 2² = 126898957 is a prime.

It is a super-2 number, since 2×126898961² = 32206692605759042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126898921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22736 + ... + 27761.

It is an arithmetic number, because the mean of its divisors is an integer number (18179280).

Almost surely, 2^126898961 is an apocalyptic number.

It is an amenable number.

126898961 is a deficient number, since it is larger than the sum of its proper divisors (18535279).

126898961 is an equidigital number, since it uses as much as digits as its factorization.

126898961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50863.

The product of its digits is 373248, while the sum is 50.

The square root of 126898961 is about 11264.9438968865. The cubic root of 126898961 is about 502.5192336062.

The spelling of 126898961 in words is "one hundred twenty-six million, eight hundred ninety-eight thousand, nine hundred sixty-one".