102929649 has 8 divisors (see below), whose sum is σ = 137329920. Its totient is φ = 68574576.

The previous prime is 102929609. The next prime is 102929677. The reversal of 102929649 is 946929201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102929649 - 2²¹ = 100832497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102929649.

It is not an unprimeable number, because it can be changed into a prime (102929609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569 + ... + 15390.

It is an arithmetic number, because the mean of its divisors is an integer number (17166240).

Almost surely, 2^102929649 is an apocalyptic number.

It is an amenable number.

102929649 is a deficient number, since it is larger than the sum of its proper divisors (34400271).

102929649 is a wasteful number, since it uses less digits than its factorization.

102929649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22599.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 102929649 is about 10145.4250280607. The cubic root of 102929649 is about 468.6480675780.

The spelling of 102929649 in words is "one hundred two million, nine hundred twenty-nine thousand, six hundred forty-nine".