102240115492 has 12 divisors (see below), whose sum is σ = 179090447536. Its totient is φ = 51071416200.

The previous prime is 102240115451. The next prime is 102240115493. The reversal of 102240115492 is 294511042201.

It is not an unprimeable number, because it can be changed into a prime (102240115493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12155658 + ... + 12164065.

Almost surely, 2^102240115492 is an apocalyptic number.

It is an amenable number.

102240115492 is a deficient number, since it is larger than the sum of its proper divisors (76850332044).

102240115492 is a wasteful number, since it uses less digits than its factorization.

102240115492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24320778 (or 24320776 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 102240115492 its reverse (294511042201), we get a palindrome (396751157693).

The spelling of 102240115492 in words is "one hundred two billion, two hundred forty million, one hundred fifteen thousand, four hundred ninety-two".