1128012613 has 8 divisors (see below), whose sum is σ = 1388323328. Its totient is φ = 892493424.

The previous prime is 1128012547. The next prime is 1128012617. The reversal of 1128012613 is 3162108211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1128012613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128012617) 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, 6197781 + ... + 6197962.

It is an arithmetic number, because the mean of its divisors is an integer number (173540416).

Almost surely, 2^1128012613 is an apocalyptic number.

1128012613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1128012613 is a deficient number, since it is larger than the sum of its proper divisors (260310715).

1128012613 is a wasteful number, since it uses less digits than its factorization.

1128012613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12395763.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1128012613 is about 33585.8990202734. The cubic root of 1128012613 is about 1040.9694525990.

The spelling of 1128012613 in words is "one billion, one hundred twenty-eight million, twelve thousand, six hundred thirteen".