102949499 has 2 divisors, whose sum is σ = 102949500. Its totient is φ = 102949498.

The previous prime is 102949487. The next prime is 102949529. The reversal of 102949499 is 994949201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102949499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102949459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51474749 + 51474750.

It is an arithmetic number, because the mean of its divisors is an integer number (51474750).

Almost surely, 2^102949499 is an apocalyptic number.

102949499 is a deficient number, since it is larger than the sum of its proper divisors (1).

102949499 is an equidigital number, since it uses as much as digits as its factorization.

102949499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 102949499 is about 10146.4032543557. The cubic root of 102949499 is about 468.6781919277.

The spelling of 102949499 in words is "one hundred two million, nine hundred forty-nine thousand, four hundred ninety-nine".