102032401 has 4 divisors (see below), whose sum is σ = 102078900. Its totient is φ = 101985904.

The previous prime is 102032389. The next prime is 102032431. The reversal of 102032401 is 104230201.

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 34398225 + 67634176 = 5865^2 + 8224^2 .

It is a cyclic number.

It is not a de Polignac number, because 102032401 - 2¹⁵ = 101999633 is a prime.

It is a super-2 number, since 2×102032401² = 20821221707649602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102032431) 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, 19786 + ... + 24403.

It is an arithmetic number, because the mean of its divisors is an integer number (25519725).

Almost surely, 2^102032401 is an apocalyptic number.

It is an amenable number.

102032401 is a deficient number, since it is larger than the sum of its proper divisors (46499).

102032401 is an equidigital number, since it uses as much as digits as its factorization.

102032401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46498.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102032401 is about 10101.1088995219. The cubic root of 102032401 is about 467.2823408408.

Adding to 102032401 its reverse (104230201), we get a palindrome (206262602).

The spelling of 102032401 in words is "one hundred two million, thirty-two thousand, four hundred one".