1080642461 has 16 divisors (see below), whose sum is σ = 1175823360. Its totient is φ = 989651520.

The previous prime is 1080642439. The next prime is 1080642491. The reversal of 1080642461 is 1642460801.

It is a cyclic number.

It is not a de Polignac number, because 1080642461 - 2²² = 1076448157 is a prime.

It is a super-2 number, since 2×1080642461² = 2335576257032273042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080642401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105476 + ... + 115266.

It is an arithmetic number, because the mean of its divisors is an integer number (73488960).

Almost surely, 2^1080642461 is an apocalyptic number.

It is an amenable number.

1080642461 is a deficient number, since it is larger than the sum of its proper divisors (95180899).

1080642461 is a wasteful number, since it uses less digits than its factorization.

1080642461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1080642461 is about 32873.1267298990. The cubic root of 1080642461 is about 1026.1889708001.

The spelling of 1080642461 in words is "one billion, eighty million, six hundred forty-two thousand, four hundred sixty-one".