1133020402 has 4 divisors (see below), whose sum is σ = 1699530606. Its totient is φ = 566510200.

The previous prime is 1133020397. The next prime is 1133020429. The reversal of 1133020402 is 2040203311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2040203311 = 127 ⋅16064593.

It can be written as a sum of positive squares in only one way, i.e., 891559881 + 241460521 = 29859^2 + 15539^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283255099 + ... + 283255102.

Almost surely, 2^1133020402 is an apocalyptic number.

1133020402 is a deficient number, since it is larger than the sum of its proper divisors (566510204).

1133020402 is an equidigital number, since it uses as much as digits as its factorization.

1133020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566510203.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1133020402 is about 33660.3684174728. The cubic root of 1133020402 is about 1042.5076328210.

Adding to 1133020402 its reverse (2040203311), we get a palindrome (3173223713).

The spelling of 1133020402 in words is "one billion, one hundred thirty-three million, twenty thousand, four hundred two".