101902473 has 6 divisors (see below), whose sum is σ = 147192474. Its totient is φ = 67934976.

The previous prime is 101902469. The next prime is 101902519. The reversal of 101902473 is 374209101.

101902473 is a `hidden beast` number, since 1 + 0 + 190 + 2 + 473 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54952569 + 46949904 = 7413^2 + 6852^2 .

It is not a de Polignac number, because 101902473 - 2² = 101902469 is a prime.

It is a super-2 number, since 2×101902473² = 20768228007031458, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101900473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5661240 + ... + 5661257.

It is an arithmetic number, because the mean of its divisors is an integer number (24532079).

Almost surely, 2^101902473 is an apocalyptic number.

It is an amenable number.

101902473 is a deficient number, since it is larger than the sum of its proper divisors (45290001).

101902473 is a wasteful number, since it uses less digits than its factorization.

101902473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322503 (or 11322500 counting only the distinct ones).

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

The square root of 101902473 is about 10094.6754776962. The cubic root of 101902473 is about 467.0839109032.

The spelling of 101902473 in words is "one hundred one million, nine hundred two thousand, four hundred seventy-three".