1141025020 has 24 divisors (see below), whose sum is σ = 2402697024. Its totient is φ = 455163456.

The previous prime is 1141025003. The next prime is 1141025021. The reversal of 1141025020 is 205201411.

It is a junction number, because it is equal to n+sod(n) for n = 1141024985 and 1141025003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141025021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70387 + ... + 85066.

It is an arithmetic number, because the mean of its divisors is an integer number (100112376).

Almost surely, 2^1141025020 is an apocalyptic number.

1141025020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141025020 is an abundant number, since it is smaller than the sum of its proper divisors (1261672004).

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

1141025020 is a wasteful number, since it uses less digits than its factorization.

1141025020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155829 (or 155827 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1141025020 is about 33779.0618579024. The cubic root of 1141025020 is about 1044.9569268664.

Adding to 1141025020 its reverse (205201411), we get a palindrome (1346226431).

The spelling of 1141025020 in words is "one billion, one hundred forty-one million, twenty-five thousand, twenty".