1151212044 has 24 divisors (see below), whose sum is σ = 2722960240. Its totient is φ = 378480384.

The previous prime is 1151212009. The next prime is 1151212057. The reversal of 1151212044 is 4402121511.

It is a self number, because there is not a number n which added to its sum of digits gives 1151212044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656209 + ... + 657960.

Almost surely, 2^1151212044 is an apocalyptic number.

It is an amenable number.

1151212044 is an abundant number, since it is smaller than the sum of its proper divisors (1571748196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151212044 is a wasteful number, since it uses less digits than its factorization.

1151212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314249 (or 1314247 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1151212044 is about 33929.5158232475. The cubic root of 1151212044 is about 1048.0574951946.

Adding to 1151212044 its reverse (4402121511), we get a palindrome (5553333555).

The spelling of 1151212044 in words is "one billion, one hundred fifty-one million, two hundred twelve thousand, forty-four".