102938651 has 4 divisors (see below), whose sum is σ = 103150512. Its totient is φ = 102726792.

The previous prime is 102938617. The next prime is 102938669. The reversal of 102938651 is 156839201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156839201 = 457 ⋅343193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102938651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102938611) 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, 105200 + ... + 106173.

It is an arithmetic number, because the mean of its divisors is an integer number (25787628).

Almost surely, 2^102938651 is an apocalyptic number.

102938651 is a deficient number, since it is larger than the sum of its proper divisors (211861).

102938651 is an equidigital number, since it uses as much as digits as its factorization.

102938651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211860.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 102938651 is about 10145.8686666051. The cubic root of 102938651 is about 468.6617294884.

The spelling of 102938651 in words is "one hundred two million, nine hundred thirty-eight thousand, six hundred fifty-one".