7124990 has 8 divisors (see below), whose sum is σ = 12825000. Its totient is φ = 2849992.

The previous prime is 7124987. The next prime is 7124993. The reversal of 7124990 is 994217.

It is an interprime number because it is at equal distance from previous prime (7124987) and next prime (7124993).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7124993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356240 + ... + 356259.

It is an arithmetic number, because the mean of its divisors is an integer number (1603125).

Almost surely, 2^7124990 is an apocalyptic number.

7124990 is a deficient number, since it is larger than the sum of its proper divisors (5700010).

7124990 is a wasteful number, since it uses less digits than its factorization.

7124990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712506.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 7124990 is about 2669.2676898355. The cubic root of 7124990 is about 192.4249665404.

The spelling of 7124990 in words is "seven million, one hundred twenty-four thousand, nine hundred ninety".