1047777225 has 24 divisors (see below), whose sum is σ = 1889810592. Its totient is φ = 508012800.

The previous prime is 1047777217. The next prime is 1047777229. The reversal of 1047777225 is 5227777401.

It is not a de Polignac number, because 1047777225 - 2³ = 1047777217 is a prime.

It is a super-2 number, since 2×1047777225² = 2195674226457401250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1047777229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634192 + ... + 635841.

It is an arithmetic number, because the mean of its divisors is an integer number (78742108).

Almost surely, 2^1047777225 is an apocalyptic number.

1047777225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047777225 is a deficient number, since it is larger than the sum of its proper divisors (842033367).

1047777225 is a wasteful number, since it uses less digits than its factorization.

1047777225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270057 (or 1270052 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 42.

The square root of 1047777225 is about 32369.3871582395. The cubic root of 1047777225 is about 1015.6786372935.

The spelling of 1047777225 in words is "one billion, forty-seven million, seven hundred seventy-seven thousand, two hundred twenty-five".