102620126 has 32 divisors (see below), whose sum is σ = 186846912. Its totient is φ = 41264640.

The previous prime is 102620123. The next prime is 102620209. The reversal of 102620126 is 621026201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102620098 and 102620107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102620123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128360 + ... + 129156.

It is an arithmetic number, because the mean of its divisors is an integer number (5838966).

Almost surely, 2^102620126 is an apocalyptic number.

102620126 is a deficient number, since it is larger than the sum of its proper divisors (84226786).

102620126 is a wasteful number, since it uses less digits than its factorization.

102620126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102620126 is about 10130.1592287585. The cubic root of 102620126 is about 468.1778337733.

Adding to 102620126 its reverse (621026201), we get a palindrome (723646327).

The spelling of 102620126 in words is "one hundred two million, six hundred twenty thousand, one hundred twenty-six".