1211462664 has 32 divisors (see below), whose sum is σ = 3042251520. Its totient is φ = 402008256.

The previous prime is 1211462657. The next prime is 1211462669. The reversal of 1211462664 is 4662641121.

It is a super-3 number, since 3×1211462664³ (a number of 28 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1211462669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107827 + ... + 118530.

It is an arithmetic number, because the mean of its divisors is an integer number (95070360).

Almost surely, 2^1211462664 is an apocalyptic number.

It is an amenable number.

1211462664 is an abundant number, since it is smaller than the sum of its proper divisors (1830788856).

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

1211462664 is a wasteful number, since it uses less digits than its factorization.

1211462664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226589 (or 226585 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1211462664 is about 34806.0722288511. The cubic root of 1211462664 is about 1066.0314352309.

The spelling of 1211462664 in words is "one billion, two hundred eleven million, four hundred sixty-two thousand, six hundred sixty-four".