987011942 has 32 divisors (see below), whose sum is σ = 1835265600. Its totient is φ = 388408320.

The previous prime is 987011939. The next prime is 987011969. The reversal of 987011942 is 249110789.

It is a super-2 number, since 2×987011942² = 1948385147301222728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 987011942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40817 + ... + 60332.

It is an arithmetic number, because the mean of its divisors is an integer number (57352050).

Almost surely, 2^987011942 is an apocalyptic number.

987011942 is a deficient number, since it is larger than the sum of its proper divisors (848253658).

987011942 is a wasteful number, since it uses less digits than its factorization.

987011942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101216.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 987011942 is about 31416.7462032592. The cubic root of 987011942 is about 995.6517676126.

It can be divided in two parts, 9870 and 11942, that added together give a palindrome (21812).

The spelling of 987011942 in words is "nine hundred eighty-seven million, eleven thousand, nine hundred forty-two".