1102143401 has 4 divisors (see below), whose sum is σ = 1102916100. Its totient is φ = 1101370704.

The previous prime is 1102143377. The next prime is 1102143407. The reversal of 1102143401 is 1043412011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1043412011 = 1361 ⋅766651.

It can be written as a sum of positive squares in 2 ways, for example, as 334853401 + 767290000 = 18299^2 + 27700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102143401 - 2¹⁸ = 1101881257 is a prime.

It is a super-3 number, since 3×1102143401³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102143401.

It is not an unprimeable number, because it can be changed into a prime (1102143407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384206 + ... + 387063.

It is an arithmetic number, because the mean of its divisors is an integer number (275729025).

Almost surely, 2^1102143401 is an apocalyptic number.

It is an amenable number.

1102143401 is a deficient number, since it is larger than the sum of its proper divisors (772699).

1102143401 is an equidigital number, since it uses as much as digits as its factorization.

1102143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772698.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1102143401 is about 33198.5451639074. The cubic root of 1102143401 is about 1032.9501623272.

Adding to 1102143401 its reverse (1043412011), we get a palindrome (2145555412).

The spelling of 1102143401 in words is "one billion, one hundred two million, one hundred forty-three thousand, four hundred one".