1250123020 has 48 divisors (see below), whose sum is σ = 2676891168. Its totient is φ = 490268160.

The previous prime is 1250123011. The next prime is 1250123023. The reversal of 1250123020 is 203210521.

It is a junction number, because it is equal to n+sod(n) for n = 1250122985 and 1250123003.

It is not an unprimeable number, because it can be changed into a prime (1250123023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421864 + ... + 424816.

It is an arithmetic number, because the mean of its divisors is an integer number (55768566).

Almost surely, 2^1250123020 is an apocalyptic number.

1250123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250123020 is an abundant number, since it is smaller than the sum of its proper divisors (1426768148).

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

1250123020 is a wasteful number, since it uses less digits than its factorization.

1250123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1250123020 is about 35357.0787820487. The cubic root of 1250123020 is about 1077.2526823308.

Adding to 1250123020 its reverse (203210521), we get a palindrome (1453333541).

The spelling of 1250123020 in words is "one billion, two hundred fifty million, one hundred twenty-three thousand, twenty".