1141120402 has 8 divisors (see below), whose sum is σ = 1724175036. Its totient is φ = 566395392.

The previous prime is 1141120399. The next prime is 1141120403. The reversal of 1141120402 is 2040211411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1118166721 + 22953681 = 33439^2 + 4791^2 .

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 (1141120403) 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, 2082063 + ... + 2082610.

Almost surely, 2^1141120402 is an apocalyptic number.

1141120402 is a deficient number, since it is larger than the sum of its proper divisors (583054634).

1141120402 is a wasteful number, since it uses less digits than its factorization.

1141120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164812.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1141120402 is about 33780.4736793314. The cubic root of 1141120402 is about 1044.9860431734.

Adding to 1141120402 its reverse (2040211411), we get a palindrome (3181331813).

It can be divided in two parts, 11411 and 20402, that added together give a palindrome (31813).

The spelling of 1141120402 in words is "one billion, one hundred forty-one million, one hundred twenty thousand, four hundred two".