102340429 has 4 divisors (see below), whose sum is σ = 102530140. Its totient is φ = 102150720.

The previous prime is 102340421. The next prime is 102340457. The reversal of 102340429 is 924043201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59136100 + 43204329 = 7690^2 + 6573^2 .

It is a cyclic number.

It is not a de Polignac number, because 102340429 - 2³ = 102340421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102340421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94044 + ... + 95125.

It is an arithmetic number, because the mean of its divisors is an integer number (25632535).

Almost surely, 2^102340429 is an apocalyptic number.

It is an amenable number.

102340429 is a deficient number, since it is larger than the sum of its proper divisors (189711).

102340429 is an equidigital number, since it uses as much as digits as its factorization.

102340429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189710.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 102340429 is about 10116.3446461654. The cubic root of 102340429 is about 467.7520982968.

It can be divided in two parts, 10234042 and 9, that multiplied together give a triangular number (92106378 = T₁₃₅₇₂).

The spelling of 102340429 in words is "one hundred two million, three hundred forty thousand, four hundred twenty-nine".