1187607942 has 48 divisors (see below), whose sum is σ = 2667169440. Its totient is φ = 381459456.

The previous prime is 1187607919. The next prime is 1187607961. The reversal of 1187607942 is 2497067811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299223 + ... + 303165.

It is an arithmetic number, because the mean of its divisors is an integer number (55566030).

Almost surely, 2^1187607942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1187607942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333584720).

1187607942 is an abundant number, since it is smaller than the sum of its proper divisors (1479561498).

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

1187607942 is a wasteful number, since it uses less digits than its factorization.

1187607942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1187607942 is about 34461.6880317839. The cubic root of 1187607942 is about 1058.9879809350.

The spelling of 1187607942 in words is "one billion, one hundred eighty-seven million, six hundred seven thousand, nine hundred forty-two".