1151322002 has 4 divisors (see below), whose sum is σ = 1726983006. Its totient is φ = 575661000.

The previous prime is 1151322001. The next prime is 1151322019. The reversal of 1151322002 is 2002231511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 689115001 + 462207001 = 26251^2 + 21499^2 .

It is not an unprimeable number, because it can be changed into a prime (1151322001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287830499 + ... + 287830502.

Almost surely, 2^1151322002 is an apocalyptic number.

1151322002 is a deficient number, since it is larger than the sum of its proper divisors (575661004).

1151322002 is an equidigital number, since it uses as much as digits as its factorization.

1151322002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575661003.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1151322002 is about 33931.1361731375. The cubic root of 1151322002 is about 1048.0908625306.

Adding to 1151322002 its reverse (2002231511), we get a palindrome (3153553513).

The spelling of 1151322002 in words is "one billion, one hundred fifty-one million, three hundred twenty-two thousand, two".