1262500420 has 48 divisors (see below), whose sum is σ = 2740727808. Its totient is φ = 488004480.

The previous prime is 1262500403. The next prime is 1262500423. The reversal of 1262500420 is 240052621.

It is a junction number, because it is equal to n+sod(n) for n = 1262500391 and 1262500400.

It is not an unprimeable number, because it can be changed into a prime (1262500423) 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 15 ways as a sum of consecutive naturals, for example, 691629 + ... + 693451.

It is an arithmetic number, because the mean of its divisors is an integer number (57098496).

Almost surely, 2^1262500420 is an apocalyptic number.

1262500420 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 1262500420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370363904).

1262500420 is an abundant number, since it is smaller than the sum of its proper divisors (1478227388).

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

1262500420 is a wasteful number, since it uses less digits than its factorization.

1262500420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1262500420 is about 35531.6819190986. The cubic root of 1262500420 is about 1080.7962863232.

The spelling of 1262500420 in words is "one billion, two hundred sixty-two million, five hundred thousand, four hundred twenty".