161233127 has 16 divisors (see below), whose sum is σ = 183664800. Its totient is φ = 140192640.

The previous prime is 161233081. The next prime is 161233133. The reversal of 161233127 is 721332161.

It is a cyclic number.

It is not a de Polignac number, because 161233127 - 2¹² = 161229031 is a prime.

It is a super-2 number, since 2×161233127² = 51992242484396258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161233096 and 161233105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161233157) 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, 32453 + ... + 37089.

It is an arithmetic number, because the mean of its divisors is an integer number (11479050).

Almost surely, 2^161233127 is an apocalyptic number.

161233127 is a deficient number, since it is larger than the sum of its proper divisors (22431673).

161233127 is a wasteful number, since it uses less digits than its factorization.

161233127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786.

The product of its digits is 1512, while the sum is 26.

The square root of 161233127 is about 12697.7607080934. The cubic root of 161233127 is about 544.2746313279.

Adding to 161233127 its reverse (721332161), we get a palindrome (882565288).

The spelling of 161233127 in words is "one hundred sixty-one million, two hundred thirty-three thousand, one hundred twenty-seven".