1261608462 has 24 divisors (see below), whose sum is σ = 2807364456. Its totient is φ = 409170096.

The previous prime is 1261608421. The next prime is 1261608463. The reversal of 1261608462 is 2648061621.

1261608462 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 608 + 46 + 2 = 666.

It is a super-2 number, since 2×1261608462² = 3183311822780010888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1261608463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946488 + ... + 947819.

It is an arithmetic number, because the mean of its divisors is an integer number (116973519).

Almost surely, 2^1261608462 is an apocalyptic number.

1261608462 is an abundant number, since it is smaller than the sum of its proper divisors (1545755994).

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

1261608462 is a wasteful number, since it uses less digits than its factorization.

1261608462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894352 (or 1894349 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1261608462 is about 35519.1281142992. The cubic root of 1261608462 is about 1080.5416984181.

The spelling of 1261608462 in words is "one billion, two hundred sixty-one million, six hundred eight thousand, four hundred sixty-two".