1226461504 has 28 divisors (see below), whose sum is σ = 2517686100. Its totient is φ = 592083968.

The previous prime is 1226461469. The next prime is 1226461507. The reversal of 1226461504 is 4051646221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 859662400 + 366799104 = 29320^2 + 19152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226461507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328549 + ... + 332260.

Almost surely, 2^1226461504 is an apocalyptic number.

It is an amenable number.

1226461504 is an abundant number, since it is smaller than the sum of its proper divisors (1291224596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226461504 is an equidigital number, since it uses as much as digits as its factorization.

1226461504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660850 (or 660840 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1226461504 is about 35020.8724048959. The cubic root of 1226461504 is about 1070.4128328082.

The spelling of 1226461504 in words is "one billion, two hundred twenty-six million, four hundred sixty-one thousand, five hundred four".