1121237671 has 8 divisors (see below), whose sum is σ = 1185454080. Its totient is φ = 1057541688.

The previous prime is 1121237639. The next prime is 1121237681. The reversal of 1121237671 is 1767321211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121237671 - 2⁵ = 1121237639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121237681) 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, 125671 + ... + 134296.

It is an arithmetic number, because the mean of its divisors is an integer number (148181760).

Almost surely, 2^1121237671 is an apocalyptic number.

1121237671 is a deficient number, since it is larger than the sum of its proper divisors (64216409).

1121237671 is a wasteful number, since it uses less digits than its factorization.

1121237671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260213.

The product of its digits is 3528, while the sum is 31.

The square root of 1121237671 is about 33484.8872030353. The cubic root of 1121237671 is about 1038.8812152246.

Adding to 1121237671 its reverse (1767321211), we get a palindrome (2888558882).

The spelling of 1121237671 in words is "one billion, one hundred twenty-one million, two hundred thirty-seven thousand, six hundred seventy-one".