10120401 has 12 divisors (see below), whose sum is σ = 14646528. Its totient is φ = 6733944.

The previous prime is 10120387. The next prime is 10120421. The reversal of 10120401 is 10402101.

It is a happy number.

10120401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120401 - 2¹⁰ = 10119377 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10120421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7116 + ... + 8418.

It is an arithmetic number, because the mean of its divisors is an integer number (1220544).

Almost surely, 2^10120401 is an apocalyptic number.

It is an amenable number.

10120401 is a deficient number, since it is larger than the sum of its proper divisors (4526127).

10120401 is a wasteful number, since it uses less digits than its factorization.

10120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10120401 is about 3181.2577701280. The cubic root of 10120401 is about 216.3046754953.

Adding to 10120401 its reverse (10402101), we get a palindrome (20522502).

It can be divided in two parts, 101 and 20401, that added together give a palindrome (20502).

The spelling of 10120401 in words is "ten million, one hundred twenty thousand, four hundred one".