1265601452 has 6 divisors (see below), whose sum is σ = 2214802548. Its totient is φ = 632800724.

The previous prime is 1265601451. The next prime is 1265601503. The reversal of 1265601452 is 2541065621.

It is not an unprimeable number, because it can be changed into a prime (1265601451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158200178 + ... + 158200185.

It is an arithmetic number, because the mean of its divisors is an integer number (369133758).

Almost surely, 2^1265601452 is an apocalyptic number.

It is an amenable number.

1265601452 is a deficient number, since it is larger than the sum of its proper divisors (949201096).

1265601452 is a wasteful number, since it uses less digits than its factorization.

1265601452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316400367 (or 316400365 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1265601452 is about 35575.2927184022. The cubic root of 1265601452 is about 1081.6804691274.

The spelling of 1265601452 in words is "one billion, two hundred sixty-five million, six hundred one thousand, four hundred fifty-two".