1227254536 has 32 divisors (see below), whose sum is σ = 2500358400. Its totient is φ = 562576320.

The previous prime is 1227254513. The next prime is 1227254537. The reversal of 1227254536 is 6354527221.

It is a super-2 number, since 2×1227254536² = 3012307392265150592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1227254495 and 1227254504.

It is not an unprimeable number, because it can be changed into a prime (1227254537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125515 + ... + 134938.

It is an arithmetic number, because the mean of its divisors is an integer number (78136200).

Almost surely, 2^1227254536 is an apocalyptic number.

It is an amenable number.

1227254536 is an abundant number, since it is smaller than the sum of its proper divisors (1273103864).

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

1227254536 is a wasteful number, since it uses less digits than its factorization.

1227254536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260509 (or 260505 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 1227254536 is about 35032.1928517185. The cubic root of 1227254536 is about 1070.6434933255.

The spelling of 1227254536 in words is "one billion, two hundred twenty-seven million, two hundred fifty-four thousand, five hundred thirty-six".