102629974 has 4 divisors (see below), whose sum is σ = 153944964. Its totient is φ = 51314986.

The previous prime is 102629959. The next prime is 102629981. The reversal of 102629974 is 479926201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479926201 = 17 ⋅28230953.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25657492 + ... + 25657495.

It is an arithmetic number, because the mean of its divisors is an integer number (38486241).

Almost surely, 2^102629974 is an apocalyptic number.

102629974 is a deficient number, since it is larger than the sum of its proper divisors (51314990).

102629974 is an equidigital number, since it uses as much as digits as its factorization.

102629974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51314989.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 102629974 is about 10130.6452904048. The cubic root of 102629974 is about 468.1928096135.

The spelling of 102629974 in words is "one hundred two million, six hundred twenty-nine thousand, nine hundred seventy-four".