102901633 has 4 divisors (see below), whose sum is σ = 102925060. Its totient is φ = 102878208.

The previous prime is 102901627. The next prime is 102901661. The reversal of 102901633 is 336109201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46471489 + 56430144 = 6817^2 + 7512^2 .

It is a 3-Lehmer number, since φ(102901633) divides (102901633-1)³.

It is a cyclic number.

It is not a de Polignac number, because 102901633 - 2¹⁷ = 102770561 is a prime.

It is a deceptive number, since it divides R_102901632.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102901598 and 102901607.

It is not an unprimeable number, because it can be changed into a prime (102901433) 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, 2928 + ... + 14641.

It is an arithmetic number, because the mean of its divisors is an integer number (25731265).

Almost surely, 2^102901633 is an apocalyptic number.

102901633 is the 5857-th octagonal number.

It is an amenable number.

102901633 is a deficient number, since it is larger than the sum of its proper divisors (23427).

102901633 is an equidigital number, since it uses as much as digits as its factorization.

102901633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23426.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 102901633 is about 10144.0442132317. The cubic root of 102901633 is about 468.6055439197.

The spelling of 102901633 in words is "one hundred two million, nine hundred one thousand, six hundred thirty-three".