1150121445 has 32 divisors (see below), whose sum is σ = 2021967360. Its totient is φ = 553611840.

The previous prime is 1150121429. The next prime is 1150121461. The reversal of 1150121445 is 5441210511.

It is an interprime number because it is at equal distance from previous prime (1150121429) and next prime (1150121461).

It is not a de Polignac number, because 1150121445 - 2⁴ = 1150121429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2139 + ... + 48008.

It is an arithmetic number, because the mean of its divisors is an integer number (63186480).

Almost surely, 2^1150121445 is an apocalyptic number.

1150121445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1150121445 is a deficient number, since it is larger than the sum of its proper divisors (871845915).

1150121445 is a wasteful number, since it uses less digits than its factorization.

1150121445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1150121445 is about 33913.4404771913. The cubic root of 1150121445 is about 1047.7264320641.

Adding to 1150121445 its reverse (5441210511), we get a palindrome (6591331956).

The spelling of 1150121445 in words is "one billion, one hundred fifty million, one hundred twenty-one thousand, four hundred forty-five".