1061252772 has 24 divisors (see below), whose sum is σ = 2481005856. Its totient is φ = 353072448.

The previous prime is 1061252747. The next prime is 1061252779. The reversal of 1061252772 is 2772521601.

It is a super-2 number, since 2×1061252772² = 2252514892155367968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061252779) 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, 78273 + ... + 90824.

It is an arithmetic number, because the mean of its divisors is an integer number (103375244).

Almost surely, 2^1061252772 is an apocalyptic number.

1061252772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1061252772 is an abundant number, since it is smaller than the sum of its proper divisors (1419753084).

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

1061252772 is a wasteful number, since it uses less digits than its factorization.

1061252772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169627 (or 169625 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 1061252772 is about 32576.8748040692. The cubic root of 1061252772 is about 1020.0143442812.

The spelling of 1061252772 in words is "one billion, sixty-one million, two hundred fifty-two thousand, seven hundred seventy-two".