1061142620 has 24 divisors (see below), whose sum is σ = 2229861984. Its totient is φ = 424178496.

The previous prime is 1061142619. The next prime is 1061142623. The reversal of 1061142620 is 262411601.

It is a super-2 number, since 2×1061142620² = 2252047319960928800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061142623) 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, 15329 + ... + 48551.

It is an arithmetic number, because the mean of its divisors is an integer number (92910916).

Almost surely, 2^1061142620 is an apocalyptic number.

1061142620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061142620 is an abundant number, since it is smaller than the sum of its proper divisors (1168719364).

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

1061142620 is a wasteful number, since it uses less digits than its factorization.

1061142620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34829 (or 34827 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1061142620 is about 32575.1841130637. The cubic root of 1061142620 is about 1019.9790524982.

The spelling of 1061142620 in words is "one billion, sixty-one million, one hundred forty-two thousand, six hundred twenty".