1264120 has 96 divisors (see below), whose sum is σ = 3557520. Its totient is φ = 399360.

The previous prime is 1264063. The next prime is 1264129. The reversal of 1264120 is 214621.

1264120 = T₁₀₁ + T₁₀₂ + ... + T₂₀₄.

It is a junction number, because it is equal to n+sod(n) for n = 1264094 and 1264103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74352 + ... + 74368.

2^1264120 is an apocalyptic number.

1264120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778760).

1264120 is an abundant number, since it is smaller than the sum of its proper divisors (2293400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264120 is a wasteful number, since it uses less digits than its factorization.

1264120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1264120 is about 1124.3309121429. The cubic root of 1264120 is about 108.1258250018.

Adding to 1264120 its reverse (214621), we get a palindrome (1478741).

The spelling of 1264120 in words is "one million, two hundred sixty-four thousand, one hundred twenty".