10126978 has 4 divisors (see below), whose sum is σ = 15190470. Its totient is φ = 5063488.

The previous prime is 10126939. The next prime is 10126993. The reversal of 10126978 is 87962101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 59049 = 3173^2 + 243^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531743 + ... + 2531746.

Almost surely, 2^10126978 is an apocalyptic number.

10126978 is a deficient number, since it is larger than the sum of its proper divisors (5063492).

10126978 is an equidigital number, since it uses as much as digits as its factorization.

10126978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063491.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 10126978 is about 3182.2913128750. The cubic root of 10126978 is about 216.3515223802.

The spelling of 10126978 in words is "ten million, one hundred twenty-six thousand, nine hundred seventy-eight".