126051485978 has 24 divisors (see below), whose sum is σ = 207921190260. Its totient is φ = 57270628800.

The previous prime is 126051485957. The next prime is 126051486013. The reversal of 126051485978 is 879584150621.

It can be written as a sum of positive squares in 2 ways, for example, as 101249330809 + 24802155169 = 318197^2 + 157487^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434318 + ... + 663878.

Almost surely, 2^126051485978 is an apocalyptic number.

126051485978 is a deficient number, since it is larger than the sum of its proper divisors (81869704282).

126051485978 is a wasteful number, since it uses less digits than its factorization.

126051485978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231854 (or 231843 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 126051485978 in words is "one hundred twenty-six billion, fifty-one million, four hundred eighty-five thousand, nine hundred seventy-eight".