1120142402 has 4 divisors (see below), whose sum is σ = 1680213606. Its totient is φ = 560071200.

The previous prime is 1120142351. The next prime is 1120142417. The reversal of 1120142402 is 2042410211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042410211 = 71 ⋅28766341.

It can be written as a sum of positive squares in only one way, i.e., 1040772121 + 79370281 = 32261^2 + 8909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280035599 + ... + 280035602.

Almost surely, 2^1120142402 is an apocalyptic number.

1120142402 is a deficient number, since it is larger than the sum of its proper divisors (560071204).

1120142402 is an equidigital number, since it uses as much as digits as its factorization.

1120142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560071203.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1120142402 is about 33468.5285305464. The cubic root of 1120142402 is about 1038.5428316922.

Adding to 1120142402 its reverse (2042410211), we get a palindrome (3162552613).

The spelling of 1120142402 in words is "one billion, one hundred twenty million, one hundred forty-two thousand, four hundred two".