1142420746 has 8 divisors (see below), whose sum is σ = 1713799620. Its totient is φ = 571154208.

The previous prime is 1142420731. The next prime is 1142420759. The reversal of 1142420746 is 6470242411.

It can be written as a sum of positive squares in 2 ways, for example, as 1138320121 + 4100625 = 33739^2 + 2025^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260 + ... + 48088.

Almost surely, 2^1142420746 is an apocalyptic number.

1142420746 is a deficient number, since it is larger than the sum of its proper divisors (571378874).

1142420746 is a wasteful number, since it uses less digits than its factorization.

1142420746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56168.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1142420746 is about 33799.7151763147. The cubic root of 1142420746 is about 1045.3828244150.

The spelling of 1142420746 in words is "one billion, one hundred forty-two million, four hundred twenty thousand, seven hundred forty-six".