109902407 has 2 divisors, whose sum is σ = 109902408. Its totient is φ = 109902406.

The previous prime is 109902343. The next prime is 109902413. The reversal of 109902407 is 704209901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109902407 - 2⁶ = 109902343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109902437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54951203 + 54951204.

It is an arithmetic number, because the mean of its divisors is an integer number (54951204).

Almost surely, 2^109902407 is an apocalyptic number.

109902407 is a deficient number, since it is larger than the sum of its proper divisors (1).

109902407 is an equidigital number, since it uses as much as digits as its factorization.

109902407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 109902407 is about 10483.4348855707. The cubic root of 109902407 is about 479.0002440713. Note that the first 3 decimals are identical.

The spelling of 109902407 in words is "one hundred nine million, nine hundred two thousand, four hundred seven".