1142501115 has 64 divisors (see below), whose sum is σ = 2129559552. Its totient is φ = 512265600.

The previous prime is 1142501083. The next prime is 1142501119. The reversal of 1142501115 is 5111052411.

1142501115 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1142501115 - 2⁵ = 1142501083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1142501091 and 1142501100.

It is not an unprimeable number, because it can be changed into a prime (1142501119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2467374 + ... + 2467836.

It is an arithmetic number, because the mean of its divisors is an integer number (33274368).

Almost surely, 2^1142501115 is an apocalyptic number.

1142501115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142501115 is a deficient number, since it is larger than the sum of its proper divisors (987058437).

1142501115 is a wasteful number, since it uses less digits than its factorization.

1142501115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1142501115 is about 33800.9040559568. The cubic root of 1142501115 is about 1045.4073379761.

Adding to 1142501115 its reverse (5111052411), we get a palindrome (6253553526).

The spelling of 1142501115 in words is "one billion, one hundred forty-two million, five hundred one thousand, one hundred fifteen".