1612634128 has 20 divisors (see below), whose sum is σ = 3570832960. Its totient is φ = 691128864.

The previous prime is 1612634083. The next prime is 1612634173. The reversal of 1612634128 is 8214362161.

It is an interprime number because it is at equal distance from previous prime (1612634083) and next prime (1612634173).

It is a junction number, because it is equal to n+sod(n) for n = 1612634093 and 1612634102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7199148 + ... + 7199371.

It is an arithmetic number, because the mean of its divisors is an integer number (178541648).

Almost surely, 2^1612634128 is an apocalyptic number.

It is an amenable number.

1612634128 is an abundant number, since it is smaller than the sum of its proper divisors (1958198832).

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

1612634128 is a wasteful number, since it uses less digits than its factorization.

1612634128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398534 (or 14398528 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1612634128 is about 40157.6160647018. The cubic root of 1612634128 is about 1172.6775621360.

Adding to 1612634128 its reverse (8214362161), we get a palindrome (9826996289).

The spelling of 1612634128 in words is "one billion, six hundred twelve million, six hundred thirty-four thousand, one hundred twenty-eight".