1292741 has 6 divisors (see below), whose sum is σ = 1364742. Its totient is φ = 1224360.

The previous prime is 1292737. The next prime is 1292783. The reversal of 1292741 is 1472921.

It can be written as a sum of positive squares in only one way, i.e., 1256641 + 36100 = 1121^2 + 190^2 .

It is not a de Polignac number, because 1292741 - 2² = 1292737 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

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 1292741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (227457).

2^1292741 is an apocalyptic number.

It is an amenable number.

1292741 is a deficient number, since it is larger than the sum of its proper divisors (72001).

1292741 is an equidigital number, since it uses as much as digits as its factorization.

1292741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619 (or 3600 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 1292741 is about 1136.9876868287. The cubic root of 1292741 is about 108.9357700314.

The spelling of 1292741 in words is "one million, two hundred ninety-two thousand, seven hundred forty-one".