1260997 has 8 divisors (see below), whose sum is σ = 1309176. Its totient is φ = 1213632.

The previous prime is 1260991. The next prime is 1261033. The reversal of 1260997 is 7990621.

It can be written as a sum of positive squares in 4 ways, for example, as 1079521 + 181476 = 1039^2 + 426^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1260997 - 2³ = 1260989 is a prime.

It is a super-2 number, since 2×1260997² = 3180226868018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6303 + ... + 6499.

It is an arithmetic number, because the mean of its divisors is an integer number (163647).

2^1260997 is an apocalyptic number.

It is an amenable number.

1260997 is a deficient number, since it is larger than the sum of its proper divisors (48179).

1260997 is a wasteful number, since it uses less digits than its factorization.

1260997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1260997 is about 1122.9412273133. The cubic root of 1260997 is about 108.0367101999.

It can be divided in two parts, 12 and 60997, that added together give a square (61009 = 247²).

The spelling of 1260997 in words is "one million, two hundred sixty thousand, nine hundred ninety-seven".