102061572 has 24 divisors (see below), whose sum is σ = 239138592. Its totient is φ = 33878400.

The previous prime is 102061571. The next prime is 102061627. The reversal of 102061572 is 275160201.

It is a super-2 number, since 2×102061572² = 20833128958222368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102061571) 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, 14754 + ... + 20537.

It is an arithmetic number, because the mean of its divisors is an integer number (9964108).

Almost surely, 2^102061572 is an apocalyptic number.

102061572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102061572 is an abundant number, since it is smaller than the sum of its proper divisors (137077020).

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

102061572 is a wasteful number, since it uses less digits than its factorization.

102061572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35539 (or 35537 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 102061572 is about 10102.5527467071. The cubic root of 102061572 is about 467.3268685078.

The spelling of 102061572 in words is "one hundred two million, sixty-one thousand, five hundred seventy-two".