1151212046 has 16 divisors (see below), whose sum is σ = 1763985600. Its totient is φ = 563273568.

The previous prime is 1151212009. The next prime is 1151212057. The reversal of 1151212046 is 6402121511.

It is a super-2 number, since 2×1151212046² = 2650578349711012232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27275 + ... + 55193.

It is an arithmetic number, because the mean of its divisors is an integer number (110249100).

Almost surely, 2^1151212046 is an apocalyptic number.

1151212046 is a deficient number, since it is larger than the sum of its proper divisors (612773554).

1151212046 is a wasteful number, since it uses less digits than its factorization.

1151212046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28363.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1151212046 is about 33929.5158527203. The cubic root of 1151212046 is about 1048.0574958016.

Adding to 1151212046 its reverse (6402121511), we get a palindrome (7553333557).

The spelling of 1151212046 in words is "one billion, one hundred fifty-one million, two hundred twelve thousand, forty-six".