1252061223 has 16 divisors (see below), whose sum is σ = 1910008320. Its totient is φ = 714674016.

The previous prime is 1252061219. The next prime is 1252061231. The reversal of 1252061223 is 3221602521.

It is not a de Polignac number, because 1252061223 - 2² = 1252061219 is a prime.

It is a super-2 number, since 2×1252061223² = 3135314612280511458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252061193 and 1252061202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252061423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13140 + ... + 51737.

It is an arithmetic number, because the mean of its divisors is an integer number (119375520).

Almost surely, 2^1252061223 is an apocalyptic number.

1252061223 is a deficient number, since it is larger than the sum of its proper divisors (657947097).

1252061223 is an equidigital number, since it uses as much as digits as its factorization.

1252061223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65806.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1252061223 is about 35384.4771474724. The cubic root of 1252061223 is about 1077.8091225702.

Adding to 1252061223 its reverse (3221602521), we get a palindrome (4473663744).

The spelling of 1252061223 in words is "one billion, two hundred fifty-two million, sixty-one thousand, two hundred twenty-three".