1371157 has 2 divisors, whose sum is σ = 1371158. Its totient is φ = 1371156.

The previous prime is 1371151. The next prime is 1371179. The reversal of 1371157 is 7511731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 461041 = 954^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371157 - 2¹⁹ = 846869 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685578 + 685579.

It is an arithmetic number, because the mean of its divisors is an integer number (685579).

2^1371157 is an apocalyptic number.

It is an amenable number.

1371157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371157 is an equidigital number, since it uses as much as digits as its factorization.

1371157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 735, while the sum is 25.

The square root of 1371157 is about 1170.9641326702. The cubic root of 1371157 is about 111.0953108273.

Adding to 1371157 its reverse (7511731), we get a palindrome (8882888).

It can be divided in two parts, 137115 and 7, that multiplied together give a triangular number (959805 = T₁₃₈₅).

The spelling of 1371157 in words is "one million, three hundred seventy-one thousand, one hundred fifty-seven".