1213000475 has 6 divisors (see below), whose sum is σ = 1504120620. Its totient is φ = 970400360.

The previous prime is 1213000469. The next prime is 1213000483. The reversal of 1213000475 is 5740003121.

It is not a de Polignac number, because 1213000475 - 2⁸ = 1213000219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213000475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24259985 + ... + 24260034.

It is an arithmetic number, because the mean of its divisors is an integer number (250686770).

Almost surely, 2^1213000475 is an apocalyptic number.

1213000475 is a deficient number, since it is larger than the sum of its proper divisors (291120145).

1213000475 is an equidigital number, since it uses as much as digits as its factorization.

1213000475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48520029 (or 48520024 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1213000475 is about 34828.1563537320. The cubic root of 1213000475 is about 1066.4823121607.

Adding to 1213000475 its reverse (5740003121), we get a palindrome (6953003596).

The spelling of 1213000475 in words is "one billion, two hundred thirteen million, four hundred seventy-five", and thus it is an aban number.