1245052669 has 8 divisors (see below), whose sum is σ = 1423352000. Its totient is φ = 1066862016.

The previous prime is 1245052667. The next prime is 1245052693. The reversal of 1245052669 is 9662505421.

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 1245052669 - 2¹ = 1245052667 is a prime.

It is a super-2 number, since 2×1245052669² = 3100312297168047122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245052661) 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, 924 + ... + 49909.

It is an arithmetic number, because the mean of its divisors is an integer number (177919000).

Almost surely, 2^1245052669 is an apocalyptic number.

It is an amenable number.

1245052669 is a deficient number, since it is larger than the sum of its proper divisors (178299331).

1245052669 is an equidigital number, since it uses as much as digits as its factorization.

1245052669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54339.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 1245052669 is about 35285.3038671909. The cubic root of 1245052669 is about 1075.7943057585.

The spelling of 1245052669 in words is "one billion, two hundred forty-five million, fifty-two thousand, six hundred sixty-nine".