102321051 has 8 divisors (see below), whose sum is σ = 155917824. Its totient is φ = 58469160.

The previous prime is 102321047. The next prime is 102321059. The reversal of 102321051 is 150123201.

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

It is not a de Polignac number, because 102321051 - 2² = 102321047 is a prime.

It is a super-4 number, since 4×102321051⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102321051.

It is not an unprimeable number, because it can be changed into a prime (102321059) 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, 2436195 + ... + 2436236.

It is an arithmetic number, because the mean of its divisors is an integer number (19489728).

Almost surely, 2^102321051 is an apocalyptic number.

102321051 is a deficient number, since it is larger than the sum of its proper divisors (53596773).

102321051 is an equidigital number, since it uses as much as digits as its factorization.

102321051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872441.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 102321051 is about 10115.3868438137. The cubic root of 102321051 is about 467.7225737241.

Adding to 102321051 its reverse (150123201), we get a palindrome (252444252).

The spelling of 102321051 in words is "one hundred two million, three hundred twenty-one thousand, fifty-one".