1061022899 has 4 divisors (see below), whose sum is σ = 1062559080. Its totient is φ = 1059486720.

The previous prime is 1061022889. The next prime is 1061022917. The reversal of 1061022899 is 9982201601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1061022899 - 2⁴ = 1061022883 is a prime.

It is a super-2 number, since 2×1061022899² = 2251539184404728402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061022889) 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, 767054 + ... + 768435.

It is an arithmetic number, because the mean of its divisors is an integer number (265639770).

Almost surely, 2^1061022899 is an apocalyptic number.

1061022899 is a deficient number, since it is larger than the sum of its proper divisors (1536181).

1061022899 is an equidigital number, since it uses as much as digits as its factorization.

1061022899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536180.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1061022899 is about 32573.3464507410. The cubic root of 1061022899 is about 1019.9406921174.

The spelling of 1061022899 in words is "one billion, sixty-one million, twenty-two thousand, eight hundred ninety-nine".