5402124 has 144 divisors (see below), whose sum is σ = 17978688. Its totient is φ = 1327104.

The previous prime is 5402123. The next prime is 5402129. The reversal of 5402124 is 4212045.

5402124 is a `hidden beast` number, since 540 + 2 + 124 = 666.

It is a super-2 number, since 2×5402124² = 58365887422752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5402097 and 5402106.

It is not an unprimeable number, because it can be changed into a prime (5402123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55644 + ... + 55740.

It is an arithmetic number, because the mean of its divisors is an integer number (124852).

Almost surely, 2^5402124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5402124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8989344).

5402124 is an abundant number, since it is smaller than the sum of its proper divisors (12576564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5402124 is a wasteful number, since it uses less digits than its factorization.

5402124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5402124 is about 2324.2469748286. The cubic root of 5402124 is about 175.4640635505.

Adding to 5402124 its reverse (4212045), we get a palindrome (9614169).

It can be divided in two parts, 54021 and 24, that added together give a palindrome (54045).

The spelling of 5402124 in words is "five million, four hundred two thousand, one hundred twenty-four".