102450101 has 4 divisors (see below), whose sum is σ = 110330892. Its totient is φ = 94569312.

The previous prime is 102450097. The next prime is 102450121. The reversal of 102450101 is 101054201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101054201 = 757 ⋅133493.

It can be written as a sum of positive squares in 2 ways, for example, as 53436100 + 49014001 = 7310^2 + 7001^2 .

It is a cyclic number.

It is not a de Polignac number, because 102450101 - 2² = 102450097 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 (102450121) 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, 3940376 + ... + 3940401.

It is an arithmetic number, because the mean of its divisors is an integer number (27582723).

Almost surely, 2^102450101 is an apocalyptic number.

It is an amenable number.

102450101 is a deficient number, since it is larger than the sum of its proper divisors (7880791).

102450101 is an equidigital number, since it uses as much as digits as its factorization.

102450101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880790.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 102450101 is about 10121.7637297064. The cubic root of 102450101 is about 467.9191257845.

The spelling of 102450101 in words is "one hundred two million, four hundred fifty thousand, one hundred one".