1182158428 has 24 divisors (see below), whose sum is σ = 2299434480. Its totient is φ = 527205120.

The previous prime is 1182158387. The next prime is 1182158441. The reversal of 1182158428 is 8248512811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251133 + ... + 255796.

It is an arithmetic number, because the mean of its divisors is an integer number (95809770).

Almost surely, 2^1182158428 is an apocalyptic number.

It is an amenable number.

1182158428 is a deficient number, since it is larger than the sum of its proper divisors (1117276052).

1182158428 is a wasteful number, since it uses less digits than its factorization.

1182158428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506997 (or 506995 counting only the distinct ones).

The product of its digits is 40960, while the sum is 40.

The square root of 1182158428 is about 34382.5308550723. The cubic root of 1182158428 is about 1057.3657229557.

The spelling of 1182158428 in words is "one billion, one hundred eighty-two million, one hundred fifty-eight thousand, four hundred twenty-eight".