102654431 has 8 divisors (see below), whose sum is σ = 112063824. Its totient is φ = 93257920.

The previous prime is 102654401. The next prime is 102654437. The reversal of 102654431 is 134456201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102654431 - 2²² = 98460127 is a prime.

It is a super-2 number, since 2×102654431² = 21075864407867522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102654431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102654437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22235 + ... + 26451.

It is an arithmetic number, because the mean of its divisors is an integer number (14007978).

Almost surely, 2^102654431 is an apocalyptic number.

102654431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102654431 is a deficient number, since it is larger than the sum of its proper divisors (9409393).

102654431 is a wasteful number, since it uses less digits than its factorization.

102654431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 102654431 is about 10131.8522985681. The cubic root of 102654431 is about 468.2299971967.

The spelling of 102654431 in words is "one hundred two million, six hundred fifty-four thousand, four hundred thirty-one".