1142203625 has 64 divisors (see below), whose sum is σ = 1535998464. Its totient is φ = 846720000.

The previous prime is 1142203619. The next prime is 1142203651. The reversal of 1142203625 is 5263022411.

It is a happy number.

It is not a de Polignac number, because 1142203625 - 2⁶ = 1142203561 is a prime.

It is a super-3 number, since 3×1142203625³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142203594 and 1142203603.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15646589 + ... + 15646661.

It is an arithmetic number, because the mean of its divisors is an integer number (23999976).

Almost surely, 2^1142203625 is an apocalyptic number.

It is an amenable number.

1142203625 is a deficient number, since it is larger than the sum of its proper divisors (393794839).

1142203625 is an equidigital number, since it uses as much as digits as its factorization.

1142203625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1142203625 is about 33796.5031475151. The cubic root of 1142203625 is about 1045.3165940162.

The spelling of 1142203625 in words is "one billion, one hundred forty-two million, two hundred three thousand, six hundred twenty-five".