1121250141 has 32 divisors (see below), whose sum is σ = 1815926400. Its totient is φ = 678119040.

The previous prime is 1121250133. The next prime is 1121250149. The reversal of 1121250141 is 1410521211.

1121250141 is a `hidden beast` number, since 1 + 121 + 2 + 501 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (1121250133) and next prime (1121250149).

It is not a de Polignac number, because 1121250141 - 2³ = 1121250133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121250149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147465 + ... + 154881.

It is an arithmetic number, because the mean of its divisors is an integer number (56747700).

Almost surely, 2^1121250141 is an apocalyptic number.

1121250141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121250141 is a deficient number, since it is larger than the sum of its proper divisors (694676259).

1121250141 is a wasteful number, since it uses less digits than its factorization.

1121250141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946 (or 7940 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1121250141 is about 33485.0734059222. The cubic root of 1121250141 is about 1038.8850665641.

Adding to 1121250141 its reverse (1410521211), we get a palindrome (2531771352).

The spelling of 1121250141 in words is "one billion, one hundred twenty-one million, two hundred fifty thousand, one hundred forty-one".