102252194 has 16 divisors (see below), whose sum is σ = 171214560. Its totient is φ = 45396960.

The previous prime is 102252187. The next prime is 102252197. The reversal of 102252194 is 491252201.

It is a super-2 number, since 2×102252194² = 20911022355627272, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102252197) 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, 53099 + ... + 54990.

It is an arithmetic number, because the mean of its divisors is an integer number (10700910).

Almost surely, 2^102252194 is an apocalyptic number.

102252194 is a deficient number, since it is larger than the sum of its proper divisors (68962366).

102252194 is a wasteful number, since it uses less digits than its factorization.

102252194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108145.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 102252194 is about 10111.9826938143. The cubic root of 102252194 is about 467.6176321375.

The spelling of 102252194 in words is "one hundred two million, two hundred fifty-two thousand, one hundred ninety-four".