102980518 has 4 divisors (see below), whose sum is σ = 154470780. Its totient is φ = 51490258.

The previous prime is 102980491. The next prime is 102980519. The reversal of 102980518 is 815089201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102980519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25745128 + ... + 25745131.

It is an arithmetic number, because the mean of its divisors is an integer number (38617695).

Almost surely, 2^102980518 is an apocalyptic number.

102980518 is a deficient number, since it is larger than the sum of its proper divisors (51490262).

102980518 is an equidigital number, since it uses as much as digits as its factorization.

102980518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51490261.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 102980518 is about 10147.9317104521. The cubic root of 102980518 is about 468.7252585934.

The spelling of 102980518 in words is "one hundred two million, nine hundred eighty thousand, five hundred eighteen".