1245342467 has 16 divisors (see below), whose sum is σ = 1281178752. Its totient is φ = 1210144320.

The previous prime is 1245342457. The next prime is 1245342473. The reversal of 1245342467 is 7642435421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1245342467 - 2²² = 1241148163 is a prime.

It is a super-2 number, since 2×1245342467² = 3101755720227292178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1245342467.

It is not an unprimeable number, because it can be changed into a prime (1245342437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936448 + ... + 1937090.

It is an arithmetic number, because the mean of its divisors is an integer number (80073672).

Almost surely, 2^1245342467 is an apocalyptic number.

1245342467 is a deficient number, since it is larger than the sum of its proper divisors (35836285).

1245342467 is a wasteful number, since it uses less digits than its factorization.

1245342467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its digits is 161280, while the sum is 38.

The square root of 1245342467 is about 35289.4101254186. The cubic root of 1245342467 is about 1075.8777664454.

Adding to 1245342467 its reverse (7642435421), we get a palindrome (8887777888).

The spelling of 1245342467 in words is "one billion, two hundred forty-five million, three hundred forty-two thousand, four hundred sixty-seven".