1141320620 has 48 divisors (see below), whose sum is σ = 2675490048. Its totient is φ = 405370560.

The previous prime is 1141320613. The next prime is 1141320623. The reversal of 1141320620 is 260231411.

It is a super-2 number, since 2×1141320620² = 2605225515274368800, which contains 22 as substring.

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 = 1141320592 and 1141320601.

It is not an unprimeable number, because it can be changed into a prime (1141320623) 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, 50864 + ... + 69783.

It is an arithmetic number, because the mean of its divisors is an integer number (55739376).

Almost surely, 2^1141320620 is an apocalyptic number.

1141320620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141320620 is an abundant number, since it is smaller than the sum of its proper divisors (1534169428).

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

1141320620 is a wasteful number, since it uses less digits than its factorization.

1141320620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120710 (or 120708 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1141320620 is about 33783.4370661127. The cubic root of 1141320620 is about 1045.0471564383.

The spelling of 1141320620 in words is "one billion, one hundred forty-one million, three hundred twenty thousand, six hundred twenty".