1189376742 has 16 divisors (see below), whose sum is σ = 2379128832. Its totient is φ = 396396360.

The previous prime is 1189376677. The next prime is 1189376743. The reversal of 1189376742 is 2476739811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1189376691 and 1189376700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189376743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41763 + ... + 64209.

It is an arithmetic number, because the mean of its divisors is an integer number (148695552).

Almost surely, 2^1189376742 is an apocalyptic number.

1189376742 is an abundant number, since it is smaller than the sum of its proper divisors (1189752090).

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

1189376742 is a wasteful number, since it uses less digits than its factorization.

1189376742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31283.

The product of its digits is 508032, while the sum is 48.

The square root of 1189376742 is about 34487.3417647693. The cubic root of 1189376742 is about 1059.5134654559.

The spelling of 1189376742 in words is "one billion, one hundred eighty-nine million, three hundred seventy-six thousand, seven hundred forty-two".