1213097029 has 2 divisors, whose sum is σ = 1213097030. Its totient is φ = 1213097028.

The previous prime is 1213096993. The next prime is 1213097069. The reversal of 1213097029 is 9207903121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100248900 + 112848129 = 33170^2 + 10623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213097029 - 2⁷ = 1213096901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213096985 and 1213097003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213097069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606548514 + 606548515.

It is an arithmetic number, because the mean of its divisors is an integer number (606548515).

Almost surely, 2^1213097029 is an apocalyptic number.

It is an amenable number.

1213097029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213097029 is an equidigital number, since it uses as much as digits as its factorization.

1213097029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1213097029 is about 34829.5424747441. The cubic root of 1213097029 is about 1066.5106084950.

The spelling of 1213097029 in words is "one billion, two hundred thirteen million, ninety-seven thousand, twenty-nine".