1442120474 has 4 divisors (see below), whose sum is σ = 2163180714. Its totient is φ = 721060236.

The previous prime is 1442120441. The next prime is 1442120543. The reversal of 1442120474 is 4740212441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4740212441 = 73 ⋅64934417.

It can be written as a sum of positive squares in only one way, i.e., 1439671249 + 2449225 = 37943^2 + 1565^2 .

It is a super-2 number, since 2×1442120474² = 4159422923059969352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360530117 + ... + 360530120.

Almost surely, 2^1442120474 is an apocalyptic number.

1442120474 is a deficient number, since it is larger than the sum of its proper divisors (721060240).

1442120474 is an equidigital number, since it uses as much as digits as its factorization.

1442120474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721060239.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 1442120474 is about 37975.2613420895. The cubic root of 1442120474 is about 1129.7972523708.

The spelling of 1442120474 in words is "one billion, four hundred forty-two million, one hundred twenty thousand, four hundred seventy-four".