102920074 has 16 divisors (see below), whose sum is σ = 172065600. Its totient is φ = 45883584.

The previous prime is 102920071. The next prime is 102920087. The reversal of 102920074 is 470029201.

It is not an unprimeable number, because it can be changed into a prime (102920071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79014 + ... + 80305.

It is an arithmetic number, because the mean of its divisors is an integer number (10754100).

Almost surely, 2^102920074 is an apocalyptic number.

102920074 is a deficient number, since it is larger than the sum of its proper divisors (69145526).

102920074 is a wasteful number, since it uses less digits than its factorization.

102920074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159357.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 102920074 is about 10144.9531295122. The cubic root of 102920074 is about 468.6335351783.

Adding to 102920074 its reverse (470029201), we get a palindrome (572949275).

The spelling of 102920074 in words is "one hundred two million, nine hundred twenty thousand, seventy-four".