1212875603 has 2 divisors, whose sum is σ = 1212875604. Its totient is φ = 1212875602.

The previous prime is 1212875579. The next prime is 1212875623. The reversal of 1212875603 is 3065782121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212875603 is a prime.

It is a super-2 number, since 2×1212875603² = 2942134456705227218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212875623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606437801 + 606437802.

It is an arithmetic number, because the mean of its divisors is an integer number (606437802).

Almost surely, 2^1212875603 is an apocalyptic number.

1212875603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212875603 is an equidigital number, since it uses as much as digits as its factorization.

1212875603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1212875603 is about 34826.3636201083. The cubic root of 1212875603 is about 1066.4457146621.

The spelling of 1212875603 in words is "one billion, two hundred twelve million, eight hundred seventy-five thousand, six hundred three".