102431641 has 8 divisors (see below), whose sum is σ = 116117120. Its totient is φ = 89575632.

The previous prime is 102431639. The next prime is 102431671. The reversal of 102431641 is 146134201.

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 102431641 - 2¹ = 102431639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102431671) 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, 207105 + ... + 207598.

It is an arithmetic number, because the mean of its divisors is an integer number (14514640).

Almost surely, 2^102431641 is an apocalyptic number.

It is an amenable number.

102431641 is a deficient number, since it is larger than the sum of its proper divisors (13685479).

102431641 is a wasteful number, since it uses less digits than its factorization.

102431641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414735.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 102431641 is about 10120.8517922159. The cubic root of 102431641 is about 467.8910200503.

Adding to 102431641 its reverse (146134201), we get a palindrome (248565842).

The spelling of 102431641 in words is "one hundred two million, four hundred thirty-one thousand, six hundred forty-one".