102203001 has 24 divisors (see below), whose sum is σ = 152981504. Its totient is φ = 65681280.

The previous prime is 102202987. The next prime is 102203029. The reversal of 102203001 is 100302201.

It is a happy number.

It is not a de Polignac number, because 102203001 - 2⁶ = 102202937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102203041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93480 + ... + 94566.

Almost surely, 2^102203001 is an apocalyptic number.

It is an amenable number.

102203001 is a deficient number, since it is larger than the sum of its proper divisors (50778503).

102203001 is a wasteful number, since it uses less digits than its factorization.

102203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 102203001 is about 10109.5499899847. The cubic root of 102203001 is about 467.5426306364.

Adding to 102203001 its reverse (100302201), we get a palindrome (202505202).

The spelling of 102203001 in words is "one hundred two million, two hundred three thousand, one".