1187461 has 4 divisors (see below), whose sum is σ = 1295424. Its totient is φ = 1079500.

The previous prime is 1187453. The next prime is 1187471. The reversal of 1187461 is 1647811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1187461 - 2³ = 1187453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53965 + ... + 53986.

It is an arithmetic number, because the mean of its divisors is an integer number (323856).

2^1187461 is an apocalyptic number.

1187461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1187461 is a deficient number, since it is larger than the sum of its proper divisors (107963).

1187461 is a wasteful number, since it uses less digits than its factorization.

1187461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107962.

The product of its digits is 1344, while the sum is 28.

The square root of 1187461 is about 1089.7068413110. The cubic root of 1187461 is about 105.8944303156.

It can be divided in two parts, 11874 and 61, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 1187461 in words is "one million, one hundred eighty-seven thousand, four hundred sixty-one".