1225477072 has 40 divisors (see below), whose sum is σ = 2433594240. Its totient is φ = 597642240.

The previous prime is 1225477063. The next prime is 1225477091. The reversal of 1225477072 is 2707745221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99072 + ... + 110752.

It is an arithmetic number, because the mean of its divisors is an integer number (60839856).

Almost surely, 2^1225477072 is an apocalyptic number.

It is an amenable number.

1225477072 is a deficient number, since it is larger than the sum of its proper divisors (1208117168).

1225477072 is a wasteful number, since it uses less digits than its factorization.

1225477072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851 (or 11845 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 1225477072 is about 35006.8146508648. The cubic root of 1225477072 is about 1070.1263635082.

The spelling of 1225477072 in words is "one billion, two hundred twenty-five million, four hundred seventy-seven thousand, seventy-two".