1115450429 has 2 divisors, whose sum is σ = 1115450430. Its totient is φ = 1115450428.

The previous prime is 1115450381. The next prime is 1115450431. The reversal of 1115450429 is 9240545111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115426404 + 24025 = 33398^2 + 155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115450429 is a prime.

Together with 1115450431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115450395 and 1115450404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115450489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557725214 + 557725215.

It is an arithmetic number, because the mean of its divisors is an integer number (557725215).

Almost surely, 2^1115450429 is an apocalyptic number.

It is an amenable number.

1115450429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115450429 is an equidigital number, since it uses as much as digits as its factorization.

1115450429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1115450429 is about 33398.3596752894. The cubic root of 1115450429 is about 1037.0907441637.

The spelling of 1115450429 in words is "one billion, one hundred fifteen million, four hundred fifty thousand, four hundred twenty-nine".