1097056229 has 4 divisors (see below), whose sum is σ = 1123813740. Its totient is φ = 1070298720.

The previous prime is 1097056217. The next prime is 1097056237. The reversal of 1097056229 is 9226507901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20232004 + 1076824225 = 4498^2 + 32815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097056229 - 2¹² = 1097052133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 26757469 = 1097056229 / (1 + 0 + 9 + 7 + 0 + 5 + 6 + 2 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097056729) 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, 13378694 + ... + 13378775.

It is an arithmetic number, because the mean of its divisors is an integer number (280953435).

Almost surely, 2^1097056229 is an apocalyptic number.

It is an amenable number.

1097056229 is a deficient number, since it is larger than the sum of its proper divisors (26757511).

1097056229 is an equidigital number, since it uses as much as digits as its factorization.

1097056229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26757510.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1097056229 is about 33121.8391548537. The cubic root of 1097056229 is about 1031.3584454355.

The spelling of 1097056229 in words is "one billion, ninety-seven million, fifty-six thousand, two hundred twenty-nine".