1151212402 has 8 divisors (see below), whose sum is σ = 1727171676. Its totient is φ = 575488512.

The previous prime is 1151212397. The next prime is 1151212421. The reversal of 1151212402 is 2042121511.

It can be written as a sum of positive squares in 2 ways, for example, as 1071842121 + 79370281 = 32739^2 + 8909^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1151212402.

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, 46063 + ... + 66514.

Almost surely, 2^1151212402 is an apocalyptic number.

1151212402 is a deficient number, since it is larger than the sum of its proper divisors (575959274).

1151212402 is a wasteful number, since it uses less digits than its factorization.

1151212402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117692.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1151212402 is about 33929.5210988897. The cubic root of 1151212402 is about 1048.0576038351.

Adding to 1151212402 its reverse (2042121511), we get a palindrome (3193333913).

The spelling of 1151212402 in words is "one billion, one hundred fifty-one million, two hundred twelve thousand, four hundred two".