1081457630 has 64 divisors (see below), whose sum is σ = 2219083776. Its totient is φ = 375888000.

The previous prime is 1081457627. The next prime is 1081457651. The reversal of 1081457630 is 367541801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281120 + ... + 284940.

It is an arithmetic number, because the mean of its divisors is an integer number (34673184).

Almost surely, 2^1081457630 is an apocalyptic number.

1081457630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081457630 is an abundant number, since it is smaller than the sum of its proper divisors (1137626146).

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

1081457630 is a wasteful number, since it uses less digits than its factorization.

1081457630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1081457630 is about 32885.5231066802. The cubic root of 1081457630 is about 1026.4469368455.

The spelling of 1081457630 in words is "one billion, eighty-one million, four hundred fifty-seven thousand, six hundred thirty".