1211126974 has 16 divisors (see below), whose sum is σ = 1845792000. Its totient is φ = 595882584.

The previous prime is 1211126963. The next prime is 1211126977. The reversal of 1211126974 is 4796211121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211126977) by changing a digit.

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, 134877 + ... + 143575.

It is an arithmetic number, because the mean of its divisors is an integer number (115362000).

Almost surely, 2^1211126974 is an apocalyptic number.

1211126974 is a deficient number, since it is larger than the sum of its proper divisors (634665026).

1211126974 is a wasteful number, since it uses less digits than its factorization.

1211126974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9807.

The product of its digits is 6048, while the sum is 34.

The square root of 1211126974 is about 34801.2496040013. The cubic root of 1211126974 is about 1065.9329622138.

The spelling of 1211126974 in words is "one billion, two hundred eleven million, one hundred twenty-six thousand, nine hundred seventy-four".