1213000534 has 16 divisors (see below), whose sum is σ = 1874674368. Its totient is φ = 588337792.

The previous prime is 1213000531. The next prime is 1213000553. The reversal of 1213000534 is 4350003121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213000531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46477 + ... + 67720.

It is an arithmetic number, because the mean of its divisors is an integer number (117167148).

Almost surely, 2^1213000534 is an apocalyptic number.

1213000534 is a deficient number, since it is larger than the sum of its proper divisors (661673834).

1213000534 is a wasteful number, since it uses less digits than its factorization.

1213000534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114359.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1213000534 is about 34828.1572007478. The cubic root of 1213000534 is about 1066.4823294518.

Adding to 1213000534 its reverse (4350003121), we get a palindrome (5563003655).

The spelling of 1213000534 in words is "one billion, two hundred thirteen million, five hundred thirty-four", and thus it is an aban number.