102119478 has 32 divisors (see below), whose sum is σ = 207263232. Its totient is φ = 33540000.

The previous prime is 102119477. The next prime is 102119483. The reversal of 102119478 is 874911201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102119477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135603 + ... + 136353.

It is an arithmetic number, because the mean of its divisors is an integer number (6476976).

Almost surely, 2^102119478 is an apocalyptic number.

102119478 is an abundant number, since it is smaller than the sum of its proper divisors (105143754).

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

102119478 is a wasteful number, since it uses less digits than its factorization.

102119478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 102119478 is about 10105.4182496322. The cubic root of 102119478 is about 467.4152331845.

The spelling of 102119478 in words is "one hundred two million, one hundred nineteen thousand, four hundred seventy-eight".