125571371 has 2 divisors, whose sum is σ = 125571372. Its totient is φ = 125571370.

The previous prime is 125571353. The next prime is 125571409. The reversal of 125571371 is 173175521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125571371 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_7140749 and since 125571371 and 7140749 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (125571301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62785685 + 62785686.

It is an arithmetic number, because the mean of its divisors is an integer number (62785686).

Almost surely, 2^125571371 is an apocalyptic number.

125571371 is a deficient number, since it is larger than the sum of its proper divisors (1).

125571371 is an equidigital number, since it uses as much as digits as its factorization.

125571371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7350, while the sum is 32.

The square root of 125571371 is about 11205.8632420711. The cubic root of 125571371 is about 500.7606701749.

The spelling of 125571371 in words is "one hundred twenty-five million, five hundred seventy-one thousand, three hundred seventy-one".