1274172481 has 2 divisors, whose sum is σ = 1274172482. Its totient is φ = 1274172480.

The previous prime is 1274172463. The next prime is 1274172499. The reversal of 1274172481 is 1842714721.

It is a balanced prime because it is at equal distance from previous prime (1274172463) and next prime (1274172499).

It can be written as a sum of positive squares in only one way, i.e., 1145145600 + 129026881 = 33840^2 + 11359^2 .

It is a cyclic number.

It is not a de Polignac number, because 1274172481 - 2²³ = 1265783873 is a prime.

It is a super-2 number, since 2×1274172481² = 3247031022675390722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1274172481.

It is not a weakly prime, because it can be changed into another prime (1274172451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637086240 + 637086241.

It is an arithmetic number, because the mean of its divisors is an integer number (637086241).

Almost surely, 2^1274172481 is an apocalyptic number.

It is an amenable number.

1274172481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274172481 is an equidigital number, since it uses as much as digits as its factorization.

1274172481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 37.

The square root of 1274172481 is about 35695.5526781699. The cubic root of 1274172481 is about 1084.1167980180.

It can be divided in two parts, 1274 and 172481, that added together give a triangular number (173755 = T₅₈₉).

The spelling of 1274172481 in words is "one billion, two hundred seventy-four million, one hundred seventy-two thousand, four hundred eighty-one".