1201406351 has 4 divisors (see below), whose sum is σ = 1202496672. Its totient is φ = 1200316032.

The previous prime is 1201406291. The next prime is 1201406377. The reversal of 1201406351 is 1536041021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1536041021 = 5683 ⋅270287.

It is a cyclic number.

It is not a de Polignac number, because 1201406351 - 2¹⁴ = 1201389967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201406251) 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, 543506 + ... + 545711.

It is an arithmetic number, because the mean of its divisors is an integer number (300624168).

Almost surely, 2^1201406351 is an apocalyptic number.

1201406351 is a deficient number, since it is larger than the sum of its proper divisors (1090321).

1201406351 is a wasteful number, since it uses less digits than its factorization.

1201406351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090320.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1201406351 is about 34661.3091356919. The cubic root of 1201406351 is about 1063.0735379331.

Adding to 1201406351 its reverse (1536041021), we get a palindrome (2737447372).

The spelling of 1201406351 in words is "one billion, two hundred one million, four hundred six thousand, three hundred fifty-one".