102241251 has 32 divisors (see below), whose sum is σ = 173836800. Its totient is φ = 58177440.

The previous prime is 102241231. The next prime is 102241253. The reversal of 102241251 is 152142201.

It is not a de Polignac number, because 102241251 - 2⁷ = 102241123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102241253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49836 + ... + 51846.

It is an arithmetic number, because the mean of its divisors is an integer number (5432400).

Almost surely, 2^102241251 is an apocalyptic number.

102241251 is a deficient number, since it is larger than the sum of its proper divisors (71595549).

102241251 is a wasteful number, since it uses less digits than its factorization.

102241251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102241251 is about 10111.4415886163. The cubic root of 102241251 is about 467.6009501081.

Adding to 102241251 its reverse (152142201), we get a palindrome (254383452).

The spelling of 102241251 in words is "one hundred two million, two hundred forty-one thousand, two hundred fifty-one".