1223252057 has 8 divisors (see below), whose sum is σ = 1233625920. Its totient is φ = 1212908400.

The previous prime is 1223252029. The next prime is 1223252071. The reversal of 1223252057 is 7502523221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223252057 - 2⁶ = 1223251993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223252027) 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, 77819 + ... + 92207.

It is an arithmetic number, because the mean of its divisors is an integer number (154203240).

Almost surely, 2^1223252057 is an apocalyptic number.

It is an amenable number.

1223252057 is a deficient number, since it is larger than the sum of its proper divisors (10373863).

1223252057 is a wasteful number, since it uses less digits than its factorization.

1223252057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15103.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 1223252057 is about 34975.0204717596. The cubic root of 1223252057 is about 1069.4783193695.

Adding to 1223252057 its reverse (7502523221), we get a palindrome (8725775278).

The spelling of 1223252057 in words is "one billion, two hundred twenty-three million, two hundred fifty-two thousand, fifty-seven".