1202105401 has 4 divisors (see below), whose sum is σ = 1373834752. Its totient is φ = 1030376052.

The previous prime is 1202105393. The next prime is 1202105407. The reversal of 1202105401 is 1045012021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1045012021 = 131 ⋅7977191.

It is a cyclic number.

It is not a de Polignac number, because 1202105401 - 2³ = 1202105393 is a prime.

It is a super-3 number, since 3×1202105401³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202105407) 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, 85864665 + ... + 85864678.

It is an arithmetic number, because the mean of its divisors is an integer number (343458688).

Almost surely, 2^1202105401 is an apocalyptic number.

It is an amenable number.

1202105401 is a deficient number, since it is larger than the sum of its proper divisors (171729351).

1202105401 is an equidigital number, since it uses as much as digits as its factorization.

1202105401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171729350.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1202105401 is about 34671.3916795966. The cubic root of 1202105401 is about 1063.2796845234.

Adding to 1202105401 its reverse (1045012021), we get a palindrome (2247117422).

The spelling of 1202105401 in words is "one billion, two hundred two million, one hundred five thousand, four hundred one".