1276532103 has 16 divisors (see below), whose sum is σ = 2122027776. Its totient is φ = 663133440.

The previous prime is 1276532087. The next prime is 1276532111. The reversal of 1276532103 is 3012356721.

It is not a de Polignac number, because 1276532103 - 2⁴ = 1276532087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276532113) 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, 2762826 + ... + 2763287.

It is an arithmetic number, because the mean of its divisors is an integer number (132626736).

Almost surely, 2^1276532103 is an apocalyptic number.

1276532103 is a deficient number, since it is larger than the sum of its proper divisors (845495673).

1276532103 is a wasteful number, since it uses less digits than its factorization.

1276532103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526134.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1276532103 is about 35728.5894347930. The cubic root of 1276532103 is about 1084.7856055254.

Adding to 1276532103 its reverse (3012356721), we get a palindrome (4288888824).

The spelling of 1276532103 in words is "one billion, two hundred seventy-six million, five hundred thirty-two thousand, one hundred three".