102421401 has 8 divisors (see below), whose sum is σ = 136609824. Its totient is φ = 68256960.

The previous prime is 102421393. The next prime is 102421411. The reversal of 102421401 is 104124201.

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

It is not a de Polignac number, because 102421401 - 2³ = 102421393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102421411) 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, 10306 + ... + 17636.

It is an arithmetic number, because the mean of its divisors is an integer number (17076228).

Almost surely, 2^102421401 is an apocalyptic number.

It is an amenable number.

102421401 is a deficient number, since it is larger than the sum of its proper divisors (34188423).

102421401 is an equidigital number, since it uses as much as digits as its factorization.

102421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 102421401 is about 10120.3458932983. The cubic root of 102421401 is about 467.8754279811.

Adding to 102421401 its reverse (104124201), we get a palindrome (206545602).

The spelling of 102421401 in words is "one hundred two million, four hundred twenty-one thousand, four hundred one".