1051720522 has 8 divisors (see below), whose sum is σ = 1597550400. Its totient is φ = 519203724.

The previous prime is 1051720519. The next prime is 1051720529. The reversal of 1051720522 is 2250271501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1051720522² = 2212232112791904968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051720529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328072 + ... + 3328387.

It is an arithmetic number, because the mean of its divisors is an integer number (199693800).

Almost surely, 2^1051720522 is an apocalyptic number.

1051720522 is a deficient number, since it is larger than the sum of its proper divisors (545829878).

1051720522 is an equidigital number, since it uses as much as digits as its factorization.

1051720522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656540.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1051720522 is about 32430.2408563365. The cubic root of 1051720522 is about 1016.9512069761.

The spelling of 1051720522 in words is "one billion, fifty-one million, seven hundred twenty thousand, five hundred twenty-two".