1255040722 has 8 divisors (see below), whose sum is σ = 2027373516. Its totient is φ = 579249552.

The previous prime is 1255040713. The next prime is 1255040729. The reversal of 1255040722 is 2270405521.

It can be written as a sum of positive squares in 2 ways, for example, as 1188111961 + 66928761 = 34469^2 + 8181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1255040729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24135373 + ... + 24135424.

Almost surely, 2^1255040722 is an apocalyptic number.

1255040722 is a deficient number, since it is larger than the sum of its proper divisors (772332794).

1255040722 is a wasteful number, since it uses less digits than its factorization.

1255040722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48270812.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1255040722 is about 35426.5539108731. The cubic root of 1255040722 is about 1078.6633905027.

The spelling of 1255040722 in words is "one billion, two hundred fifty-five million, forty thousand, seven hundred twenty-two".