1320454354 has 4 divisors (see below), whose sum is σ = 1980681534. Its totient is φ = 660227176.

The previous prime is 1320454337. The next prime is 1320454537. The reversal of 1320454354 is 4534540231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 863478225 + 456976129 = 29385^2 + 21377^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330113587 + ... + 330113590.

Almost surely, 2^1320454354 is an apocalyptic number.

1320454354 is a deficient number, since it is larger than the sum of its proper divisors (660227180).

1320454354 is an equidigital number, since it uses as much as digits as its factorization.

1320454354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660227179.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1320454354 is about 36338.0565523254. The cubic root of 1320454354 is about 1097.0871568463.

Adding to 1320454354 its reverse (4534540231), we get a palindrome (5854994585).

The spelling of 1320454354 in words is "one billion, three hundred twenty million, four hundred fifty-four thousand, three hundred fifty-four".