1461987270 has 48 divisors (see below), whose sum is σ = 3854721312. Its totient is φ = 384370560.

The previous prime is 1461987251. The next prime is 1461987283. The reversal of 1461987270 is 727891641.

It is a happy number.

1461987270 is a `hidden beast` number, since 1 + 4 + 619 + 8 + 7 + 27 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108007 + ... + 120786.

It is an arithmetic number, because the mean of its divisors is an integer number (80306694).

Almost surely, 2^1461987270 is an apocalyptic number.

1461987270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1461987270 is an abundant number, since it is smaller than the sum of its proper divisors (2392734042).

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

1461987270 is a wasteful number, since it uses less digits than its factorization.

1461987270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228877 (or 228874 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1461987270 is about 38235.9421225632. The cubic root of 1461987270 is about 1134.9616759492.

The spelling of 1461987270 in words is "one billion, four hundred sixty-one million, nine hundred eighty-seven thousand, two hundred seventy".