1227374730 has 144 divisors (see below), whose sum is σ = 3462384744. Its totient is φ = 301397760.

The previous prime is 1227374713. The next prime is 1227374761. The reversal of 1227374730 is 374737221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1181365641 + 46009089 = 34371^2 + 6783^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1201620 + ... + 1202640.

Almost surely, 2^1227374730 is an apocalyptic number.

1227374730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227374730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731192372).

1227374730 is an abundant number, since it is smaller than the sum of its proper divisors (2235010014).

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

1227374730 is a wasteful number, since it uses less digits than its factorization.

1227374730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 1227374730 is about 35033.9082889706. The cubic root of 1227374730 is about 1070.6784441634.

The spelling of 1227374730 in words is "one billion, two hundred twenty-seven million, three hundred seventy-four thousand, seven hundred thirty".