102998774 has 8 divisors (see below), whose sum is σ = 155352288. Its totient is φ = 51214680.

The previous prime is 102998773. The next prime is 102998789. The reversal of 102998774 is 477899201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102998773) 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, 141902 + ... + 142625.

It is an arithmetic number, because the mean of its divisors is an integer number (19419036).

Almost surely, 2^102998774 is an apocalyptic number.

102998774 is a deficient number, since it is larger than the sum of its proper divisors (52353514).

102998774 is a wasteful number, since it uses less digits than its factorization.

102998774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284710.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 102998774 is about 10148.8311642277. The cubic root of 102998774 is about 468.7529549088.

The spelling of 102998774 in words is "one hundred two million, nine hundred ninety-eight thousand, seven hundred seventy-four".