1264259130 has 16 divisors (see below), whose sum is σ = 3034221984. Its totient is φ = 337135760.

The previous prime is 1264259119. The next prime is 1264259141. The reversal of 1264259130 is 319524621.

It is an interprime number because it is at equal distance from previous prime (1264259119) and next prime (1264259141).

It is a super-2 number, since 2×1264259130² = 3196702295576713800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1264259091 and 1264259100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21070956 + ... + 21071015.

It is an arithmetic number, because the mean of its divisors is an integer number (189638874).

Almost surely, 2^1264259130 is an apocalyptic number.

1264259130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264259130 is an abundant number, since it is smaller than the sum of its proper divisors (1769962854).

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

1264259130 is a wasteful number, since it uses less digits than its factorization.

1264259130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42141981.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1264259130 is about 35556.4217828510. The cubic root of 1264259130 is about 1081.2979165952.

The spelling of 1264259130 in words is "one billion, two hundred sixty-four million, two hundred fifty-nine thousand, one hundred thirty".