3120753442 has 8 divisors (see below), whose sum is σ = 4681455516. Its totient is φ = 1560268272.

The previous prime is 3120753421. The next prime is 3120753443. The reversal of 3120753442 is 2443570213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2818654281 + 302099161 = 53091^2 + 17381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3120753443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11533 + ... + 79840.

Almost surely, 2^3120753442 is an apocalyptic number.

3120753442 is a deficient number, since it is larger than the sum of its proper divisors (1560702074).

3120753442 is a wasteful number, since it uses less digits than its factorization.

3120753442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108452.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 3120753442 is about 55863.7041557396. The cubic root of 3120753442 is about 1461.3463283249.

The spelling of 3120753442 in words is "three billion, one hundred twenty million, seven hundred fifty-three thousand, four hundred forty-two".