1126825020 has 144 divisors (see below), whose sum is σ = 3731495040. Its totient is φ = 284648256.

The previous prime is 1126825013. The next prime is 1126825027. The reversal of 1126825020 is 205286211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1126825013) and next prime (1126825027).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126825027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86239 + ... + 98441.

It is an arithmetic number, because the mean of its divisors is an integer number (25913160).

Almost surely, 2^1126825020 is an apocalyptic number.

1126825020 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 1126825020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865747520).

1126825020 is an abundant number, since it is smaller than the sum of its proper divisors (2604670020).

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

1126825020 is a wasteful number, since it uses less digits than its factorization.

1126825020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246 (or 12232 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1126825020 is about 33568.2144297250. The cubic root of 1126825020 is about 1040.6040068811.

The spelling of 1126825020 in words is "one billion, one hundred twenty-six million, eight hundred twenty-five thousand, twenty".