1260406054 has 4 divisors (see below), whose sum is σ = 1890609084. Its totient is φ = 630203026.

The previous prime is 1260405997. The next prime is 1260406079. The reversal of 1260406054 is 4506040621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4506040621 = 17 ⋅265061213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315101512 + ... + 315101515.

It is an arithmetic number, because the mean of its divisors is an integer number (472652271).

Almost surely, 2^1260406054 is an apocalyptic number.

1260406054 is a deficient number, since it is larger than the sum of its proper divisors (630203030).

1260406054 is an equidigital number, since it uses as much as digits as its factorization.

1260406054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630203029.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1260406054 is about 35502.1978756245. The cubic root of 1260406054 is about 1080.1983100632.

Adding to 1260406054 its reverse (4506040621), we get a palindrome (5766446675).

The spelling of 1260406054 in words is "one billion, two hundred sixty million, four hundred six thousand, fifty-four".