126497125378 has 16 divisors (see below), whose sum is σ = 204851106936. Its totient is φ = 58237689600.

The previous prime is 126497125373. The next prime is 126497125397. The reversal of 126497125378 is 873521794621.

It can be written as a sum of positive squares in 4 ways, for example, as 112645483129 + 13851642249 = 335627^2 + 117693^2 .

It is not an unprimeable number, because it can be changed into a prime (126497125373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6056001 + ... + 6076852.

Almost surely, 2^126497125378 is an apocalyptic number.

126497125378 is a deficient number, since it is larger than the sum of its proper divisors (78353981558).

126497125378 is a wasteful number, since it uses less digits than its factorization.

126497125378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12133269.

The product of its digits is 5080320, while the sum is 55.

The spelling of 126497125378 in words is "one hundred twenty-six billion, four hundred ninety-seven million, one hundred twenty-five thousand, three hundred seventy-eight".