1202117151 has 4 divisors (see below), whose sum is σ = 1602822872. Its totient is φ = 801411432.

The previous prime is 1202117093. The next prime is 1202117173. The reversal of 1202117151 is 1517112021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1202117151 - 2¹³ = 1202108959 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 (1202117051) 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, 200352856 + ... + 200352861.

It is an arithmetic number, because the mean of its divisors is an integer number (400705718).

Almost surely, 2^1202117151 is an apocalyptic number.

1202117151 is a deficient number, since it is larger than the sum of its proper divisors (400705721).

1202117151 is an equidigital number, since it uses as much as digits as its factorization.

1202117151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400705720.

The product of its (nonzero) digits is 140, while the sum is 21.

The square root of 1202117151 is about 34671.5611272409. The cubic root of 1202117151 is about 1063.2831488606.

Adding to 1202117151 its reverse (1517112021), we get a palindrome (2719229172).

The spelling of 1202117151 in words is "one billion, two hundred two million, one hundred seventeen thousand, one hundred fifty-one".