1210243401 has 6 divisors (see below), whose sum is σ = 1748129370. Its totient is φ = 806828928.

The previous prime is 1210243387. The next prime is 1210243409. The reversal of 1210243401 is 1043420121.

1210243401 is a `hidden beast` number, since 1 + 21 + 0 + 243 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 765075600 + 445167801 = 27660^2 + 21099^2 .

It is not a de Polignac number, because 1210243401 - 2⁷ = 1210243273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210243409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67235736 + ... + 67235753.

It is an arithmetic number, because the mean of its divisors is an integer number (291354895).

Almost surely, 2^1210243401 is an apocalyptic number.

It is an amenable number.

1210243401 is a deficient number, since it is larger than the sum of its proper divisors (537885969).

1210243401 is a wasteful number, since it uses less digits than its factorization.

1210243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134471495 (or 134471492 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1210243401 is about 34788.5527293103. The cubic root of 1210243401 is about 1065.6736833949.

Adding to 1210243401 its reverse (1043420121), we get a palindrome (2253663522).

The spelling of 1210243401 in words is "one billion, two hundred ten million, two hundred forty-three thousand, four hundred one".