7124002140 has 48 divisors (see below), whose sum is σ = 19956148128. Its totient is φ = 1898882304.

The previous prime is 7124002121. The next prime is 7124002153. The reversal of 7124002140 is 412004217.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114534 + ... + 165426.

It is an arithmetic number, because the mean of its divisors is an integer number (415753086).

Almost surely, 2^7124002140 is an apocalyptic number.

It is an amenable number.

7124002140 is an abundant number, since it is smaller than the sum of its proper divisors (12832145988).

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

7124002140 is a wasteful number, since it uses less digits than its factorization.

7124002140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53238 (or 53236 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 7124002140 is about 84403.8040611915. The cubic root of 7124002140 is about 1924.1607306763.

Adding to 7124002140 its reverse (412004217), we get a palindrome (7536006357).

The spelling of 7124002140 in words is "seven billion, one hundred twenty-four million, two thousand, one hundred forty".