1214831929 has 2 divisors, whose sum is σ = 1214831930. Its totient is φ = 1214831928.

The previous prime is 1214831903. The next prime is 1214831957. The reversal of 1214831929 is 9291384121.

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., 1156340025 + 58491904 = 34005^2 + 7648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214831929 - 2¹³ = 1214823737 is a prime.

It is a super-2 number, since 2×1214831929² = 2951633231435722082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214831891 and 1214831900.

It is not a weakly prime, because it can be changed into another prime (1214811929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607415964 + 607415965.

It is an arithmetic number, because the mean of its divisors is an integer number (607415965).

Almost surely, 2^1214831929 is an apocalyptic number.

It is an amenable number.

1214831929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214831929 is an equidigital number, since it uses as much as digits as its factorization.

1214831929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 1214831929 is about 34854.4391577314. The cubic root of 1214831929 is about 1067.0187865584.

The spelling of 1214831929 in words is "one billion, two hundred fourteen million, eight hundred thirty-one thousand, nine hundred twenty-nine".