1140098 has 4 divisors (see below), whose sum is σ = 1710150. Its totient is φ = 570048.

The previous prime is 1140091. The next prime is 1140101. The reversal of 1140098 is 8900411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8900411 = 13 ⋅684647.

It can be written as a sum of positive squares in only one way, i.e., 840889 + 299209 = 917^2 + 547^2 .

It is not an unprimeable number, because it can be changed into a prime (1140091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285023 + ... + 285026.

2^1140098 is an apocalyptic number.

1140098 is a deficient number, since it is larger than the sum of its proper divisors (570052).

1140098 is an equidigital number, since it uses as much as digits as its factorization.

1140098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570051.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1140098 is about 1067.7537169217. The cubic root of 1140098 is about 104.4673860206.

The spelling of 1140098 in words is "one million, one hundred forty thousand, ninety-eight".