1252667045 has 8 divisors (see below), whose sum is σ = 1717943424. Its totient is φ = 858971664.

The previous prime is 1252667029. The next prime is 1252667057. The reversal of 1252667045 is 5407662521.

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 1252667045 - 2⁴ = 1252667029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17895209 + ... + 17895278.

It is an arithmetic number, because the mean of its divisors is an integer number (214742928).

Almost surely, 2^1252667045 is an apocalyptic number.

It is an amenable number.

1252667045 is a deficient number, since it is larger than the sum of its proper divisors (465276379).

1252667045 is an equidigital number, since it uses as much as digits as its factorization.

1252667045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35790499.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1252667045 is about 35393.0366738996. The cubic root of 1252667045 is about 1077.9829306825.

The spelling of 1252667045 in words is "one billion, two hundred fifty-two million, six hundred sixty-seven thousand, forty-five".