1942100 has 18 divisors (see below), whose sum is σ = 4214574. Its totient is φ = 776800.

The previous prime is 1942099. The next prime is 1942111. The reversal of 1942100 is 12491.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 568516 + 1373584 = 754^2 + 1172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9611 + ... + 9810.

It is an arithmetic number, because the mean of its divisors is an integer number (234143).

2^1942100 is an apocalyptic number.

1942100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942100 is an abundant number, since it is smaller than the sum of its proper divisors (2272474).

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

1942100 is a wasteful number, since it uses less digits than its factorization.

1942100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19435 (or 19428 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1942100 is about 1393.5924798879. The cubic root of 1942100 is about 124.7643560546.

Adding to 1942100 its reverse (12491), we get a palindrome (1954591).

The spelling of 1942100 in words is "one million, nine hundred forty-two thousand, one hundred".