102125190 has 32 divisors (see below), whose sum is σ = 258001920. Its totient is φ = 25799904.

The previous prime is 102125183. The next prime is 102125197. The reversal of 102125190 is 91521201.

It is an interprime number because it is at equal distance from previous prime (102125183) and next prime (102125197).

It is a super-2 number, since 2×102125190² = 20859108865072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102125197) 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, 89014 + ... + 90153.

It is an arithmetic number, because the mean of its divisors is an integer number (8062560).

Almost surely, 2^102125190 is an apocalyptic number.

102125190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102125190 is an abundant number, since it is smaller than the sum of its proper divisors (155876730).

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

102125190 is a wasteful number, since it uses less digits than its factorization.

102125190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179196.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 102125190 is about 10105.7008663427. The cubic root of 102125190 is about 467.4239478982.

Adding to 102125190 its reverse (91521201), we get a palindrome (193646391).

The spelling of 102125190 in words is "one hundred two million, one hundred twenty-five thousand, one hundred ninety".