102240126 has 12 divisors (see below), whose sum is σ = 221520312. Its totient is φ = 34080036.

The previous prime is 102240113. The next prime is 102240133. The reversal of 102240126 is 621042201.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5680007 = 102240126 / (1 + 0 + 2 + 2 + 4 + 0 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 102240099 and 102240108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2839986 + ... + 2840021.

It is an arithmetic number, because the mean of its divisors is an integer number (18460026).

Almost surely, 2^102240126 is an apocalyptic number.

102240126 is an abundant number, since it is smaller than the sum of its proper divisors (119280186).

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

102240126 is a wasteful number, since it uses less digits than its factorization.

102240126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680015 (or 5680012 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 102240126 is about 10111.3859584134. The cubic root of 102240126 is about 467.5992350372.

Adding to 102240126 its reverse (621042201), we get a palindrome (723282327).

The spelling of 102240126 in words is "one hundred two million, two hundred forty thousand, one hundred twenty-six".