126960379225 has 9 divisors (see below), whose sum is σ = 157433079423. Its totient is φ = 101566878120.

The previous prime is 126960379213. The next prime is 126960379253. The reversal of 126960379225 is 522973069621.

The square root of 126960379225 is 356315.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45705736521 + 81254642704 = 213789^2 + 285052^2 .

It is a de Polignac number, because none of the positive numbers 2^k-126960379225 is a prime.

It is a super-2 number, since 2×126960379225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1745944 + ... + 1817206.

Almost surely, 2^126960379225 is an apocalyptic number.

126960379225 is the 356315-th square number.

126960379225 is the 178158-th centered octagonal number.

It is an amenable number.

126960379225 is a deficient number, since it is larger than the sum of its proper divisors (30472700198).

126960379225 is an frugal number, since it uses more digits than its factorization.

126960379225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142536 (or 71268 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 126960379225 in words is "one hundred twenty-six billion, nine hundred sixty million, three hundred seventy-nine thousand, two hundred twenty-five".