1361151 has 16 divisors (see below), whose sum is σ = 2200320. Its totient is φ = 824760.

The previous prime is 1361149. The next prime is 1361153. The reversal of 1361151 is 1511631.

1361151 is a `hidden beast` number, since 1 + 3 + 611 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (1361149) and next prime (1361153).

It is not a de Polignac number, because 1361151 - 2¹ = 1361149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1995 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (137520).

2^1361151 is an apocalyptic number.

1361151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1361151 is a deficient number, since it is larger than the sum of its proper divisors (839169).

1361151 is a wasteful number, since it uses less digits than its factorization.

1361151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603 (or 4597 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 1361151 is about 1166.6837617795. The cubic root of 1361151 is about 110.8244119426.

Adding to 1361151 its reverse (1511631), we get a palindrome (2872782).

The spelling of 1361151 in words is "one million, three hundred sixty-one thousand, one hundred fifty-one".