1142625105 has 24 divisors (see below), whose sum is σ = 2028859560. Its totient is φ = 594535680.

The previous prime is 1142625101. The next prime is 1142625137. The reversal of 1142625105 is 5015262411.

1142625105 is a `hidden beast` number, since 1 + 142 + 6 + 2 + 510 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24324624 + 1118300481 = 4932^2 + 33441^2 .

It is not a de Polignac number, because 1142625105 - 2² = 1142625101 is a prime.

It is a super-2 number, since 2×1142625105² = 2611184261152522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142625101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307810 + ... + 311499.

It is an arithmetic number, because the mean of its divisors is an integer number (84535815).

Almost surely, 2^1142625105 is an apocalyptic number.

1142625105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142625105 is a deficient number, since it is larger than the sum of its proper divisors (886234455).

1142625105 is a wasteful number, since it uses less digits than its factorization.

1142625105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619361 (or 619358 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1142625105 is about 33802.7381287374. The cubic root of 1142625105 is about 1045.4451542388.

Adding to 1142625105 its reverse (5015262411), we get a palindrome (6157887516).

The spelling of 1142625105 in words is "one billion, one hundred forty-two million, six hundred twenty-five thousand, one hundred five".