1201087351 has 4 divisors (see below), whose sum is σ = 1201203432. Its totient is φ = 1200971272.

The previous prime is 1201087331. The next prime is 1201087399. The reversal of 1201087351 is 1537801021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1537801021 = 103 ⋅14930107.

It is a cyclic number.

It is not a de Polignac number, because 1201087351 - 2²⁹ = 664216439 is a prime.

It is a super-2 number, since 2×1201087351² = 2885221649464394402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201087331) 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, 40816 + ... + 63781.

It is an arithmetic number, because the mean of its divisors is an integer number (300300858).

Almost surely, 2^1201087351 is an apocalyptic number.

1201087351 is a deficient number, since it is larger than the sum of its proper divisors (116081).

1201087351 is a wasteful number, since it uses less digits than its factorization.

1201087351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116080.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1201087351 is about 34656.7071574897. The cubic root of 1201087351 is about 1062.9794397463.

Adding to 1201087351 its reverse (1537801021), we get a palindrome (2738888372).

The spelling of 1201087351 in words is "one billion, two hundred one million, eighty-seven thousand, three hundred fifty-one".