127723061 has 2 divisors, whose sum is σ = 127723062. Its totient is φ = 127723060.

The previous prime is 127723021. The next prime is 127723087. The reversal of 127723061 is 160327721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88472836 + 39250225 = 9406^2 + 6265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127723061 is a prime.

It is a super-2 number, since 2×127723061² = 32626360622419442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127723021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63861530 + 63861531.

It is an arithmetic number, because the mean of its divisors is an integer number (63861531).

Almost surely, 2^127723061 is an apocalyptic number.

It is an amenable number.

127723061 is a deficient number, since it is larger than the sum of its proper divisors (1).

127723061 is an equidigital number, since it uses as much as digits as its factorization.

127723061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 127723061 is about 11301.4627814279. The cubic root of 127723061 is about 503.6046978549.

The spelling of 127723061 in words is "one hundred twenty-seven million, seven hundred twenty-three thousand, sixty-one".