102972007 has 2 divisors, whose sum is σ = 102972008. Its totient is φ = 102972006.

The previous prime is 102971983. The next prime is 102972013. The reversal of 102972007 is 700279201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102972007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102972017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51486003 + 51486004.

It is an arithmetic number, because the mean of its divisors is an integer number (51486004).

Almost surely, 2^102972007 is an apocalyptic number.

102972007 is a deficient number, since it is larger than the sum of its proper divisors (1).

102972007 is an equidigital number, since it uses as much as digits as its factorization.

102972007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 102972007 is about 10147.5123552524. The cubic root of 102972007 is about 468.7123453723.

The spelling of 102972007 in words is "one hundred two million, nine hundred seventy-two thousand, seven".