1245442067 has 8 divisors (see below), whose sum is σ = 1275022320. Its totient is φ = 1215889920.

The previous prime is 1245442061. The next prime is 1245442103. The reversal of 1245442067 is 7602445421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245442067 is a prime.

It is a super-2 number, since 2×1245442067² = 3102251884506464978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245442061) 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, 102659 + ... + 114147.

It is an arithmetic number, because the mean of its divisors is an integer number (159377790).

Almost surely, 2^1245442067 is an apocalyptic number.

1245442067 is a deficient number, since it is larger than the sum of its proper divisors (29580253).

1245442067 is a wasteful number, since it uses less digits than its factorization.

1245442067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 1245442067 is about 35290.8212854277. The cubic root of 1245442067 is about 1075.9064478648.

Adding to 1245442067 its reverse (7602445421), we get a palindrome (8847887488).

The spelling of 1245442067 in words is "one billion, two hundred forty-five million, four hundred forty-two thousand, sixty-seven".