1961242 has 4 divisors (see below), whose sum is σ = 2941866. Its totient is φ = 980620.

The previous prime is 1961231. The next prime is 1961249. The reversal of 1961242 is 2421691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 881721 = 1039^2 + 939^2 .

It is not an unprimeable number, because it can be changed into a prime (1961249) 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 as a sum of consecutive naturals, namely, 490309 + ... + 490312.

2^1961242 is an apocalyptic number.

1961242 is a deficient number, since it is larger than the sum of its proper divisors (980624).

1961242 is an equidigital number, since it uses as much as digits as its factorization.

1961242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980623.

The product of its digits is 864, while the sum is 25.

The square root of 1961242 is about 1400.4435011810. The cubic root of 1961242 is about 125.1729233365.

The spelling of 1961242 in words is "one million, nine hundred sixty-one thousand, two hundred forty-two".