1234156055 has 32 divisors (see below), whose sum is σ = 1725945408. Its totient is φ = 837222400.

The previous prime is 1234156051. The next prime is 1234156073. The reversal of 1234156055 is 5506514321.

It is not a de Polignac number, because 1234156055 - 2² = 1234156051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234156051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99815 + ... + 111495.

It is an arithmetic number, because the mean of its divisors is an integer number (53935794).

Almost surely, 2^1234156055 is an apocalyptic number.

1234156055 is a deficient number, since it is larger than the sum of its proper divisors (491789353).

1234156055 is a wasteful number, since it uses less digits than its factorization.

1234156055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11827.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1234156055 is about 35130.5572827987. The cubic root of 1234156055 is about 1072.6466796776.

The spelling of 1234156055 in words is "one billion, two hundred thirty-four million, one hundred fifty-six thousand, fifty-five".