1275122 has 8 divisors (see below), whose sum is σ = 1957296. Its totient is φ = 622692.

The previous prime is 1275121. The next prime is 1275133. The reversal of 1275122 is 2215721.

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

It is a super-2 number, since 2×1275122² = 3251872229768, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1275094 and 1275103.

It is not an unprimeable number, because it can be changed into a prime (1275121) 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, 7328 + ... + 7499.

It is an arithmetic number, because the mean of its divisors is an integer number (244662).

2^1275122 is an apocalyptic number.

1275122 is a deficient number, since it is larger than the sum of its proper divisors (682174).

1275122 is a wasteful number, since it uses less digits than its factorization.

1275122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14872.

The product of its digits is 280, while the sum is 20.

The square root of 1275122 is about 1129.2130002794. The cubic root of 1275122 is about 108.4386027372.

The spelling of 1275122 in words is "one million, two hundred seventy-five thousand, one hundred twenty-two".