1042155330 has 32 divisors (see below), whose sum is σ = 2502057600. Its totient is φ = 277809792.

The previous prime is 1042155307. The next prime is 1042155349. The reversal of 1042155330 is 335512401.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042155330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128331 + ... + 136209.

It is an arithmetic number, because the mean of its divisors is an integer number (78189300).

Almost surely, 2^1042155330 is an apocalyptic number.

1042155330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042155330 is an abundant number, since it is smaller than the sum of its proper divisors (1459902270).

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

1042155330 is a wasteful number, since it uses less digits than its factorization.

1042155330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1042155330 is about 32282.4306705675. The cubic root of 1042155330 is about 1013.8588224335.

Adding to 1042155330 its reverse (335512401), we get a palindrome (1377667731).

The spelling of 1042155330 in words is "one billion, forty-two million, one hundred fifty-five thousand, three hundred thirty".