1201156034 has 32 divisors (see below), whose sum is σ = 1989078336. Its totient is φ = 540619200.

The previous prime is 1201156031. The next prime is 1201156037. The reversal of 1201156034 is 4306511021.

It is an interprime number because it is at equal distance from previous prime (1201156031) and next prime (1201156037).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201156031) 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, 172529 + ... + 179355.

It is an arithmetic number, because the mean of its divisors is an integer number (62158698).

Almost surely, 2^1201156034 is an apocalyptic number.

1201156034 is a deficient number, since it is larger than the sum of its proper divisors (787922302).

1201156034 is a wasteful number, since it uses less digits than its factorization.

1201156034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1201156034 is about 34657.6980481970. The cubic root of 1201156034 is about 1062.9997011717. Note that the first 3 decimals are identical.

Adding to 1201156034 its reverse (4306511021), we get a palindrome (5507667055).

The spelling of 1201156034 in words is "one billion, two hundred one million, one hundred fifty-six thousand, thirty-four".