1274985471 has 4 divisors (see below), whose sum is σ = 1699980632. Its totient is φ = 849990312.

The previous prime is 1274985463. The next prime is 1274985541. The reversal of 1274985471 is 1745894721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1274985471 - 2³ = 1274985463 is a prime.

It is a super-3 number, since 3×1274985471³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1274985471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274985421) 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, 212497576 + ... + 212497581.

It is an arithmetic number, because the mean of its divisors is an integer number (424995158).

Almost surely, 2^1274985471 is an apocalyptic number.

1274985471 is a deficient number, since it is larger than the sum of its proper divisors (424995161).

1274985471 is an equidigital number, since it uses as much as digits as its factorization.

1274985471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424995160.

The product of its digits is 564480, while the sum is 48.

The square root of 1274985471 is about 35706.9386954413. The cubic root of 1274985471 is about 1084.3473237749.

The spelling of 1274985471 in words is "one billion, two hundred seventy-four million, nine hundred eighty-five thousand, four hundred seventy-one".