1261465600130 has 8 divisors (see below), whose sum is σ = 2270638080252. Its totient is φ = 504586240048.

The previous prime is 1261465600091. The next prime is 1261465600163. The reversal of 1261465600130 is 310065641621.

It can be written as a sum of positive squares in 2 ways, for example, as 1255267029769 + 6198570361 = 1120387^2 + 78731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1261465600130² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63073279997 + ... + 63073280016.

Almost surely, 2^{1261465600130} is an apocalyptic number.

1261465600130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1261465600130 is a deficient number, since it is larger than the sum of its proper divisors (1009172480122).

1261465600130 is a wasteful number, since it uses less digits than its factorization.

1261465600130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126146560020.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1261465600130 in words is "one trillion, two hundred sixty-one billion, four hundred sixty-five million, six hundred thousand, one hundred thirty".