1213554514 has 16 divisors (see below), whose sum is σ = 1869946848. Its totient is φ = 590349312.

The previous prime is 1213554509. The next prime is 1213554521. The reversal of 1213554514 is 4154553121.

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, 5352 + ... + 49555.

It is an arithmetic number, because the mean of its divisors is an integer number (116871678).

Almost surely, 2^1213554514 is an apocalyptic number.

1213554514 is a deficient number, since it is larger than the sum of its proper divisors (656392334).

1213554514 is a wasteful number, since it uses less digits than its factorization.

1213554514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55209.

The product of its digits is 12000, while the sum is 31.

The square root of 1213554514 is about 34836.1093407401. The cubic root of 1213554514 is about 1066.6446596805.

The spelling of 1213554514 in words is "one billion, two hundred thirteen million, five hundred fifty-four thousand, five hundred fourteen".