70128102 has 16 divisors (see below), whose sum is σ = 153006912. Its totient is φ = 21250920.

The previous prime is 70128073. The next prime is 70128109. The reversal of 70128102 is 20182107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70128109) 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, 531208 + ... + 531339.

It is an arithmetic number, because the mean of its divisors is an integer number (9562932).

Almost surely, 2^70128102 is an apocalyptic number.

70128102 is an abundant number, since it is smaller than the sum of its proper divisors (82878810).

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

70128102 is a wasteful number, since it uses less digits than its factorization.

70128102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062563.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 70128102 is about 8374.2523248347. The cubic root of 70128102 is about 412.3797791071.

The spelling of 70128102 in words is "seventy million, one hundred twenty-eight thousand, one hundred two".