1226724052 has 6 divisors (see below), whose sum is σ = 2146767098. Its totient is φ = 613362024.

The previous prime is 1226724001. The next prime is 1226724089. The reversal of 1226724052 is 2504276221.

It can be written as a sum of positive squares in only one way, i.e., 1183084816 + 43639236 = 34396^2 + 6606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153340503 + ... + 153340510.

Almost surely, 2^1226724052 is an apocalyptic number.

It is an amenable number.

1226724052 is a deficient number, since it is larger than the sum of its proper divisors (920043046).

1226724052 is a wasteful number, since it uses less digits than its factorization.

1226724052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306681017 (or 306681015 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1226724052 is about 35024.6206546195. The cubic root of 1226724052 is about 1070.4892082716.

The spelling of 1226724052 in words is "one billion, two hundred twenty-six million, seven hundred twenty-four thousand, fifty-two".