1202121151 has 32 divisors (see below), whose sum is σ = 1572461568. Its totient is φ = 891095040.

The previous prime is 1202121113. The next prime is 1202121191. The reversal of 1202121151 is 1511212021.

It is not a de Polignac number, because 1202121151 - 2⁷ = 1202121023 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 (1202121191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340045 + ... + 343561.

It is an arithmetic number, because the mean of its divisors is an integer number (49139424).

Almost surely, 2^1202121151 is an apocalyptic number.

1202121151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202121151 is a deficient number, since it is larger than the sum of its proper divisors (370340417).

1202121151 is a wasteful number, since it uses less digits than its factorization.

1202121151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1202121151 is about 34671.6188113564. The cubic root of 1202121151 is about 1063.2843282043.

Adding to 1202121151 its reverse (1511212021), we get a palindrome (2713333172).

The spelling of 1202121151 in words is "one billion, two hundred two million, one hundred twenty-one thousand, one hundred fifty-one".