1369961 has 2 divisors, whose sum is σ = 1369962. Its totient is φ = 1369960.

The previous prime is 1369943. The next prime is 1369969. The reversal of 1369961 is 1699631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 126736 = 1115^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369961 - 2⁶ = 1369897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1369969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684980 + 684981.

It is an arithmetic number, because the mean of its divisors is an integer number (684981).

2^1369961 is an apocalyptic number.

It is an amenable number.

1369961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369961 is an equidigital number, since it uses as much as digits as its factorization.

1369961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 35.

The square root of 1369961 is about 1170.4533309791. The cubic root of 1369961 is about 111.0630002452.

It can be divided in two parts, 1369 and 961, that multiplied together give a square (1315609 = 1147²).

The spelling of 1369961 in words is "one million, three hundred sixty-nine thousand, nine hundred sixty-one".