902101201 has 2 divisors, whose sum is σ = 902101202. Its totient is φ = 902101200.

The previous prime is 902101177. The next prime is 902101219. The reversal of 902101201 is 102101209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717168400 + 184932801 = 26780^2 + 13599^2 .

It is a cyclic number.

It is not a de Polignac number, because 902101201 - 2¹⁹ = 901576913 is a prime.

It is not a weakly prime, because it can be changed into another prime (902101301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451050600 + 451050601.

It is an arithmetic number, because the mean of its divisors is an integer number (451050601).

Almost surely, 2^902101201 is an apocalyptic number.

It is an amenable number.

902101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

902101201 is an equidigital number, since it uses as much as digits as its factorization.

902101201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 902101201 is about 30034.9996004661. Note that the first 3 decimals coincide. The cubic root of 902101201 is about 966.2401662852.

The spelling of 902101201 in words is "nine hundred two million, one hundred one thousand, two hundred one".