1321607046 has 16 divisors (see below), whose sum is σ = 2693086704. Its totient is φ = 432223584.

The previous prime is 1321607041. The next prime is 1321607051. The reversal of 1321607046 is 6407061231.

1321607046 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1321607041) and next prime (1321607051).

It is a super-2 number, since 2×1321607046² = 3493290368073692232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321607041) 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, 2077681 + ... + 2078316.

It is an arithmetic number, because the mean of its divisors is an integer number (168317919).

Almost surely, 2^1321607046 is an apocalyptic number.

1321607046 is an abundant number, since it is smaller than the sum of its proper divisors (1371479658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321607046 is a wasteful number, since it uses less digits than its factorization.

1321607046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156055.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1321607046 is about 36353.9137645454. The cubic root of 1321607046 is about 1097.4062984571.

Adding to 1321607046 its reverse (6407061231), we get a palindrome (7728668277).

The spelling of 1321607046 in words is "one billion, three hundred twenty-one million, six hundred seven thousand, forty-six".