1042154425 has 24 divisors (see below), whose sum is σ = 1401082200. Its totient is φ = 764390400.

The previous prime is 1042154419. The next prime is 1042154431. The reversal of 1042154425 is 5244512401.

It is an interprime number because it is at equal distance from previous prime (1042154419) and next prime (1042154431).

It can be written as a sum of positive squares in 12 ways, for example, as 679175721 + 362978704 = 26061^2 + 19052^2 .

It is not a de Polignac number, because 1042154425 - 2⁷ = 1042154297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042154393 and 1042154402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37665 + ... + 59185.

It is an arithmetic number, because the mean of its divisors is an integer number (58378425).

Almost surely, 2^1042154425 is an apocalyptic number.

It is an amenable number.

1042154425 is a deficient number, since it is larger than the sum of its proper divisors (358927775).

1042154425 is a wasteful number, since it uses less digits than its factorization.

1042154425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21693 (or 21688 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1042154425 is about 32282.4166536522. The cubic root of 1042154425 is about 1013.8585289575.

Adding to 1042154425 its reverse (5244512401), we get a palindrome (6286666826).

It can be divided in two parts, 10421 and 54425, that added together give a palindrome (64846).

The spelling of 1042154425 in words is "one billion, forty-two million, one hundred fifty-four thousand, four hundred twenty-five".