1227168452 has 6 divisors (see below), whose sum is σ = 2147544798. Its totient is φ = 613584224.

The previous prime is 1227168433. The next prime is 1227168469. The reversal of 1227168452 is 2548617221.

It can be written as a sum of positive squares in only one way, i.e., 664814656 + 562353796 = 25784^2 + 23714^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153396053 + ... + 153396060.

It is an arithmetic number, because the mean of its divisors is an integer number (357924133).

Almost surely, 2^1227168452 is an apocalyptic number.

It is an amenable number.

1227168452 is a deficient number, since it is larger than the sum of its proper divisors (920376346).

1227168452 is a wasteful number, since it uses less digits than its factorization.

1227168452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306792117 (or 306792115 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 1227168452 is about 35030.9641888430. The cubic root of 1227168452 is about 1070.6184598254.

The spelling of 1227168452 in words is "one billion, two hundred twenty-seven million, one hundred sixty-eight thousand, four hundred fifty-two".