126465969 has 16 divisors (see below), whose sum is σ = 195978240. Its totient is φ = 71040720.

The previous prime is 126465949. The next prime is 126465979. The reversal of 126465969 is 969564621.

It is not a de Polignac number, because 126465969 - 2¹¹ = 126463921 is a prime.

It is a super-2 number, since 2×126465969² = 31987282630217922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126465949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49797 + ... + 52274.

It is an arithmetic number, because the mean of its divisors is an integer number (12248640).

Almost surely, 2^126465969 is an apocalyptic number.

It is an amenable number.

126465969 is a deficient number, since it is larger than the sum of its proper divisors (69512271).

126465969 is a wasteful number, since it uses less digits than its factorization.

126465969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102140.

The product of its digits is 699840, while the sum is 48.

The square root of 126465969 is about 11245.7089149595. The cubic root of 126465969 is about 501.9470336121.

It can be divided in two parts, 126 and 465969, that added together give a triangular number (466095 = T₉₆₅).

The spelling of 126465969 in words is "one hundred twenty-six million, four hundred sixty-five thousand, nine hundred sixty-nine".