1274724036 has 36 divisors (see below), whose sum is σ = 3290781312. Its totient is φ = 415866864.

The previous prime is 1274724023. The next prime is 1274724089. The reversal of 1274724036 is 6304274721.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1274724036² = 3249842735912258592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375000 + ... + 378383.

It is an arithmetic number, because the mean of its divisors is an integer number (91410592).

Almost surely, 2^1274724036 is an apocalyptic number.

It is an amenable number.

1274724036 is an abundant number, since it is smaller than the sum of its proper divisors (2016057276).

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

1274724036 is a wasteful number, since it uses less digits than its factorization.

1274724036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753440 (or 753435 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 1274724036 is about 35703.2776646627. The cubic root of 1274724036 is about 1084.2732037875.

Adding to 1274724036 its reverse (6304274721), we get a palindrome (7578998757).

The spelling of 1274724036 in words is "one billion, two hundred seventy-four million, seven hundred twenty-four thousand, thirty-six".