1089752942 has 8 divisors (see below), whose sum is σ = 1720662600. Its totient is φ = 516198744.

The previous prime is 1089752893. The next prime is 1089752953. The reversal of 1089752942 is 2492579801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1089752942² = 2375122949195310728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14338817 + ... + 14338892.

It is an arithmetic number, because the mean of its divisors is an integer number (215082825).

Almost surely, 2^1089752942 is an apocalyptic number.

1089752942 is a deficient number, since it is larger than the sum of its proper divisors (630909658).

1089752942 is a wasteful number, since it uses less digits than its factorization.

1089752942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28677730.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 1089752942 is about 33011.4062408738. The cubic root of 1089752942 is about 1029.0647059930.

The spelling of 1089752942 in words is "one billion, eighty-nine million, seven hundred fifty-two thousand, nine hundred forty-two".