1234251020 has 96 divisors (see below), whose sum is σ = 2883686400. Its totient is φ = 441794304.

The previous prime is 1234250993. The next prime is 1234251037. The reversal of 1234251020 is 201524321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1234250983 and 1234251001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516749 + ... + 519131.

It is an arithmetic number, because the mean of its divisors is an integer number (30038400).

Almost surely, 2^1234251020 is an apocalyptic number.

1234251020 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 1234251020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441843200).

1234251020 is an abundant number, since it is smaller than the sum of its proper divisors (1649435380).

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

1234251020 is a wasteful number, since it uses less digits than its factorization.

1234251020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1234251020 is about 35131.9088579030. The cubic root of 1234251020 is about 1072.6741914008.

Adding to 1234251020 its reverse (201524321), we get a palindrome (1435775341).

The spelling of 1234251020 in words is "one billion, two hundred thirty-four million, two hundred fifty-one thousand, twenty".