102401973 has 6 divisors (see below), whose sum is σ = 147913974. Its totient is φ = 68267976.

The previous prime is 102401953. The next prime is 102402007. The reversal of 102401973 is 379104201.

It can be written as a sum of positive squares in only one way, i.e., 76422564 + 25979409 = 8742^2 + 5097^2 .

It is not a de Polignac number, because 102401973 - 2⁶ = 102401909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102401953) 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, 5688990 + ... + 5689007.

It is an arithmetic number, because the mean of its divisors is an integer number (24652329).

Almost surely, 2^102401973 is an apocalyptic number.

It is an amenable number.

102401973 is a deficient number, since it is larger than the sum of its proper divisors (45512001).

102401973 is a wasteful number, since it uses less digits than its factorization.

102401973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11378003 (or 11378000 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 102401973 is about 10119.3859991602. The cubic root of 102401973 is about 467.8458428276.

The spelling of 102401973 in words is "one hundred two million, four hundred one thousand, nine hundred seventy-three".