1461412881 has 48 divisors (see below), whose sum is σ = 2258002560. Its totient is φ = 934092000.

The previous prime is 1461412879. The next prime is 1461412903. The reversal of 1461412881 is 1882141641.

1461412881 is a `hidden beast` number, since 14 + 614 + 1 + 28 + 8 + 1 = 666.

It is not a de Polignac number, because 1461412881 - 2¹ = 1461412879 is a prime.

It is a super-2 number, since 2×1461412881² = 4271455217505440322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1461412861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3917811 + ... + 3918183.

It is an arithmetic number, because the mean of its divisors is an integer number (47041720).

Almost surely, 2^1461412881 is an apocalyptic number.

It is an amenable number.

1461412881 is a deficient number, since it is larger than the sum of its proper divisors (796589679).

1461412881 is a wasteful number, since it uses less digits than its factorization.

1461412881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 558 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 1461412881 is about 38228.4302712000. The cubic root of 1461412881 is about 1134.8130210079.

It can be divided in two parts, 14614 and 12881, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 1461412881 in words is "one billion, four hundred sixty-one million, four hundred twelve thousand, eight hundred eighty-one".