7125994 has 4 divisors (see below), whose sum is σ = 10688994. Its totient is φ = 3562996.

The previous prime is 7125983. The next prime is 7126069. The reversal of 7125994 is 4995217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4995217 = 727 ⋅6871.

It can be written as a sum of positive squares in only one way, i.e., 6953769 + 172225 = 2637^2 + 415^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1781497 + ... + 1781500.

Almost surely, 2^7125994 is an apocalyptic number.

7125994 is a deficient number, since it is larger than the sum of its proper divisors (3563000).

7125994 is a wasteful number, since it uses less digits than its factorization.

7125994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562999.

The product of its digits is 22680, while the sum is 37.

The square root of 7125994 is about 2669.4557497737. The cubic root of 7125994 is about 192.4340044755.

The spelling of 7125994 in words is "seven million, one hundred twenty-five thousand, nine hundred ninety-four".