1047225379 has 2 divisors, whose sum is σ = 1047225380. Its totient is φ = 1047225378.

The previous prime is 1047225367. The next prime is 1047225407. The reversal of 1047225379 is 9735227401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047225379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047225329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523612689 + 523612690.

It is an arithmetic number, because the mean of its divisors is an integer number (523612690).

Almost surely, 2^1047225379 is an apocalyptic number.

1047225379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047225379 is an equidigital number, since it uses as much as digits as its factorization.

1047225379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 1047225379 is about 32360.8618395741. The cubic root of 1047225379 is about 1015.5002925683.

The spelling of 1047225379 in words is "one billion, forty-seven million, two hundred twenty-five thousand, three hundred seventy-nine".