1052290730 has 32 divisors (see below), whose sum is σ = 1947922560. Its totient is φ = 408991680.

The previous prime is 1052290717. The next prime is 1052290739. The reversal of 1052290730 is 370922501.

It is a super-2 number, since 2×1052290730² = 2214631560887865800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052290693 and 1052290702.

It is not an unprimeable number, because it can be changed into a prime (1052290739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375635 + ... + 378425.

It is an arithmetic number, because the mean of its divisors is an integer number (60872580).

Almost surely, 2^1052290730 is an apocalyptic number.

1052290730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052290730 is a deficient number, since it is larger than the sum of its proper divisors (895631830).

1052290730 is a wasteful number, since it uses less digits than its factorization.

1052290730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1052290730 is about 32439.0309657980. The cubic root of 1052290730 is about 1017.1349595153.

The spelling of 1052290730 in words is "one billion, fifty-two million, two hundred ninety thousand, seven hundred thirty".