1270742 has 24 divisors (see below), whose sum is σ = 2154600. Its totient is φ = 561440.

The previous prime is 1270679. The next prime is 1270747. The reversal of 1270742 is 2470721.

1270742 = T₂₁₈ + T₂₁₉ + ... + T₂₆₁.

It is a super-2 number, since 2×1270742² = 3229570461128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14234 + ... + 14322.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

2^1270742 is an apocalyptic number.

1270742 is a deficient number, since it is larger than the sum of its proper divisors (883858).

1270742 is a wasteful number, since it uses less digits than its factorization.

1270742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1270742 is about 1127.2719281522. The cubic root of 1270742 is about 108.3142993516.

The spelling of 1270742 in words is "one million, two hundred seventy thousand, seven hundred forty-two".