1265541034 has 8 divisors (see below), whose sum is σ = 1963770660. Its totient is φ = 610950816.

The previous prime is 1265541023. The next prime is 1265541071. The reversal of 1265541034 is 4301455621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1264015809 + 1525225 = 35553^2 + 1235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1265540987 and 1265541005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10909779 + ... + 10909894.

Almost surely, 2^1265541034 is an apocalyptic number.

1265541034 is a deficient number, since it is larger than the sum of its proper divisors (698229626).

1265541034 is a wasteful number, since it uses less digits than its factorization.

1265541034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819704.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1265541034 is about 35574.4435515160. The cubic root of 1265541034 is about 1081.6632562282.

Adding to 1265541034 its reverse (4301455621), we get a palindrome (5566996655).

The spelling of 1265541034 in words is "one billion, two hundred sixty-five million, five hundred forty-one thousand, thirty-four".