1225753416 has 48 divisors (see below), whose sum is σ = 3323474700. Its totient is φ = 408125952.

The previous prime is 1225753391. The next prime is 1225753429. The reversal of 1225753416 is 6143575221.

It can be written as a sum of positive squares in 2 ways, for example, as 970073316 + 255680100 = 31146^2 + 15990^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58380 + ... + 76548.

Almost surely, 2^1225753416 is an apocalyptic number.

It is an amenable number.

1225753416 is an abundant number, since it is smaller than the sum of its proper divisors (2097721284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225753416 is a wasteful number, since it uses less digits than its factorization.

1225753416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118 (or 19111 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 1225753416 is about 35010.7614313085. The cubic root of 1225753416 is about 1070.2067949801.

The spelling of 1225753416 in words is "one billion, two hundred twenty-five million, seven hundred fifty-three thousand, four hundred sixteen".