1902113 has 8 divisors (see below), whose sum is σ = 2063880. Its totient is φ = 1745920.

The previous prime is 1902107. The next prime is 1902119. The reversal of 1902113 is 3112091.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1902107) and next prime (1902119).

It can be written as a sum of positive squares in 4 ways, for example, as 528529 + 1373584 = 727^2 + 1172^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1902113 - 2⁴ = 1902097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1902091 and 1902100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (257985).

2^1902113 is an apocalyptic number.

It is an amenable number.

1902113 is a deficient number, since it is larger than the sum of its proper divisors (161767).

1902113 is a wasteful number, since it uses less digits than its factorization.

1902113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1902113 is about 1379.1711278881. The cubic root of 1902113 is about 123.9021296761.

The spelling of 1902113 in words is "one million, nine hundred two thousand, one hundred thirteen".