102942999 has 6 divisors (see below), whose sum is σ = 148695456. Its totient is φ = 68628660.

The previous prime is 102942997. The next prime is 102943003. The reversal of 102942999 is 999249201.

It is not a de Polignac number, because 102942999 - 2¹ = 102942997 is a prime.

It is a super-2 number, since 2×102942999² = 21194522086228002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102942997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5719047 + ... + 5719064.

It is an arithmetic number, because the mean of its divisors is an integer number (24782576).

Almost surely, 2^102942999 is an apocalyptic number.

102942999 is a deficient number, since it is larger than the sum of its proper divisors (45752457).

102942999 is a wasteful number, since it uses less digits than its factorization.

102942999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438117 (or 11438114 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 102942999 is about 10146.0829387503. The cubic root of 102942999 is about 468.6683279575.

The spelling of 102942999 in words is "one hundred two million, nine hundred forty-two thousand, nine hundred ninety-nine".