401202123 has 16 divisors (see below), whose sum is σ = 614465280. Its totient is φ = 228092256.

The previous prime is 401202107. The next prime is 401202143. The reversal of 401202123 is 321202104.

It is not a de Polignac number, because 401202123 - 2⁴ = 401202107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401202143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44353 + ... + 52626.

It is an arithmetic number, because the mean of its divisors is an integer number (38404080).

Almost surely, 2^401202123 is an apocalyptic number.

401202123 is a deficient number, since it is larger than the sum of its proper divisors (213263157).

401202123 is a wasteful number, since it uses less digits than its factorization.

401202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97186.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401202123 is about 20030.0305291829. The cubic root of 401202123 is about 737.5436713774.

Adding to 401202123 its reverse (321202104), we get a palindrome (722404227).

The spelling of 401202123 in words is "four hundred one million, two hundred two thousand, one hundred twenty-three".