109902429 has 24 divisors (see below), whose sum is σ = 195383552. Its totient is φ = 57970080.

The previous prime is 109902421. The next prime is 109902437. The reversal of 109902429 is 924209901.

It is an interprime number because it is at equal distance from previous prime (109902421) and next prime (109902437).

It is not a de Polignac number, because 109902429 - 2³ = 109902421 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 109902393 and 109902402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109902421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66277 + ... + 67914.

Almost surely, 2^109902429 is an apocalyptic number.

It is an amenable number.

109902429 is a deficient number, since it is larger than the sum of its proper divisors (85481123).

109902429 is a wasteful number, since it uses less digits than its factorization.

109902429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134217 (or 134214 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 109902429 is about 10483.4359348450. The cubic root of 109902429 is about 479.0002760330. Note that the first 3 decimals are identical.

The spelling of 109902429 in words is "one hundred nine million, nine hundred two thousand, four hundred twenty-nine".