5401123 has 24 divisors (see below), whose sum is σ = 6926640. Its totient is φ = 4173120.

The previous prime is 5401117. The next prime is 5401133. The reversal of 5401123 is 3211045.

It is a de Polignac number, because none of the positive numbers 2^k-5401123 is a prime.

It is a super-2 number, since 2×5401123² = 58344259322258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5401097 and 5401106.

It is not an unprimeable number, because it can be changed into a prime (5401133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38788 + ... + 38926.

It is an arithmetic number, because the mean of its divisors is an integer number (288610).

Almost surely, 2^5401123 is an apocalyptic number.

5401123 is a deficient number, since it is larger than the sum of its proper divisors (1525517).

5401123 is a wasteful number, since it uses less digits than its factorization.

5401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5401123 is about 2324.0316262908. The cubic root of 5401123 is about 175.4532251977.

Adding to 5401123 its reverse (3211045), we get a palindrome (8612168).

The spelling of 5401123 in words is "five million, four hundred one thousand, one hundred twenty-three".