1047225405 has 16 divisors (see below), whose sum is σ = 1684070784. Its totient is φ = 555683520.

The previous prime is 1047225379. The next prime is 1047225407. The reversal of 1047225405 is 5045227401.

It is not a de Polignac number, because 1047225405 - 2⁶ = 1047225341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047225407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174241 + ... + 180150.

It is an arithmetic number, because the mean of its divisors is an integer number (105254424).

Almost surely, 2^1047225405 is an apocalyptic number.

1047225405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047225405 is a deficient number, since it is larger than the sum of its proper divisors (636845379).

1047225405 is a wasteful number, since it uses less digits than its factorization.

1047225405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354596.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 1047225405 is about 32360.8622412939. The cubic root of 1047225405 is about 1015.5003009725.

The spelling of 1047225405 in words is "one billion, forty-seven million, two hundred twenty-five thousand, four hundred five".