1246245772 has 6 divisors (see below), whose sum is σ = 2180930108. Its totient is φ = 623122884.

The previous prime is 1246245743. The next prime is 1246245779. The reversal of 1246245772 is 2775426421.

It is not an unprimeable number, because it can be changed into a prime (1246245779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155780718 + ... + 155780725.

Almost surely, 2^1246245772 is an apocalyptic number.

It is an amenable number.

1246245772 is a deficient number, since it is larger than the sum of its proper divisors (934684336).

1246245772 is a wasteful number, since it uses less digits than its factorization.

1246245772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311561447 (or 311561445 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 1246245772 is about 35302.2063333158. The cubic root of 1246245772 is about 1076.1378316915.

The spelling of 1246245772 in words is "one billion, two hundred forty-six million, two hundred forty-five thousand, seven hundred seventy-two".