1961130 has 16 divisors (see below), whose sum is σ = 4706784. Its totient is φ = 522960.

The previous prime is 1961129. The next prime is 1961131. The reversal of 1961130 is 311691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1961129) and next prime (1961131).

It is a junction number, because it is equal to n+sod(n) for n = 1961097 and 1961106.

It is not an unprimeable number, because it can be changed into a prime (1961131) 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 7 ways as a sum of consecutive naturals, for example, 32656 + ... + 32715.

It is an arithmetic number, because the mean of its divisors is an integer number (294174).

2^1961130 is an apocalyptic number.

1961130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961130 is an abundant number, since it is smaller than the sum of its proper divisors (2745654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1961130 is a wasteful number, since it uses less digits than its factorization.

1961130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65381.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1961130 is about 1400.4035132775. The cubic root of 1961130 is about 125.1705405549.

It can be divided in two parts, 196 and 1130, that added together give a triangular number (1326 = T₅₁).

The spelling of 1961130 in words is "one million, nine hundred sixty-one thousand, one hundred thirty".