102570242 has 16 divisors (see below), whose sum is σ = 155146752. Its totient is φ = 50856960.

The previous prime is 102570241. The next prime is 102570257. The reversal of 102570242 is 242075201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102570241) 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, 221303 + ... + 221765.

It is an arithmetic number, because the mean of its divisors is an integer number (9696672).

Almost surely, 2^102570242 is an apocalyptic number.

102570242 is a deficient number, since it is larger than the sum of its proper divisors (52576510).

102570242 is a wasteful number, since it uses less digits than its factorization.

102570242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 102570242 is about 10127.6967766615. The cubic root of 102570242 is about 468.1019605204.

The spelling of 102570242 in words is "one hundred two million, five hundred seventy thousand, two hundred forty-two".