1257223304 has 32 divisors (see below), whose sum is σ = 2549076480. Its totient is φ = 579043584.

The previous prime is 1257223277. The next prime is 1257223307. The reversal of 1257223304 is 4033227521.

It is a super-2 number, since 2×1257223304² = 3161220872241352832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1257223307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91952 + ... + 104735.

It is an arithmetic number, because the mean of its divisors is an integer number (79658640).

Almost surely, 2^1257223304 is an apocalyptic number.

It is an amenable number.

1257223304 is an abundant number, since it is smaller than the sum of its proper divisors (1291853176).

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

1257223304 is a wasteful number, since it uses less digits than its factorization.

1257223304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196757 (or 196753 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1257223304 is about 35457.3448526536. The cubic root of 1257223304 is about 1079.2883125582.

The spelling of 1257223304 in words is "one billion, two hundred fifty-seven million, two hundred twenty-three thousand, three hundred four".