1264930000 has 50 divisors (see below), whose sum is σ = 3062546234. Its totient is φ = 505968000.

The previous prime is 1264929979. The next prime is 1264930013. The reversal of 1264930000 is 394621.

It can be written as a sum of positive squares in 5 ways, for example, as 295977616 + 968952384 = 17204^2 + 31128^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53247 + ... + 73246.

Almost surely, 2^1264930000 is an apocalyptic number.

1264930000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264930000 is an abundant number, since it is smaller than the sum of its proper divisors (1797616234).

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

1264930000 is an equidigital number, since it uses as much as digits as its factorization.

1264930000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126521 (or 126500 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1264930000 is about 35565.8544112186. The cubic root of 1264930000 is about 1081.4891437582.

The spelling of 1264930000 in words is "one billion, two hundred sixty-four million, nine hundred thirty thousand".