1231266034 has 16 divisors (see below), whose sum is σ = 1895915520. Its totient is φ = 599508000.

The previous prime is 1231266019. The next prime is 1231266037. The reversal of 1231266034 is 4306621321.

It is a junction number, because it is equal to n+sod(n) for n = 1231265993 and 1231266011.

It is not an unprimeable number, because it can be changed into a prime (1231266037) 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, 41842 + ... + 64909.

It is an arithmetic number, because the mean of its divisors is an integer number (118494720).

Almost surely, 2^1231266034 is an apocalyptic number.

1231266034 is a deficient number, since it is larger than the sum of its proper divisors (664649486).

1231266034 is a wasteful number, since it uses less digits than its factorization.

1231266034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106905.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1231266034 is about 35089.4005933416. The cubic root of 1231266034 is about 1071.8087536842.

Adding to 1231266034 its reverse (4306621321), we get a palindrome (5537887355).

The spelling of 1231266034 in words is "one billion, two hundred thirty-one million, two hundred sixty-six thousand, thirty-four".