1142521130 has 8 divisors (see below), whose sum is σ = 2056538052. Its totient is φ = 457008448.

The previous prime is 1142521111. The next prime is 1142521141. The reversal of 1142521130 is 311252411.

It can be written as a sum of positive squares in 2 ways, for example, as 1036904401 + 105616729 = 32201^2 + 10277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57126047 + ... + 57126066.

Almost surely, 2^1142521130 is an apocalyptic number.

1142521130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142521130 is a deficient number, since it is larger than the sum of its proper divisors (914016922).

1142521130 is a wasteful number, since it uses less digits than its factorization.

1142521130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114252120.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1142521130 is about 33801.2001266227. The cubic root of 1142521130 is about 1045.4134426253.

Adding to 1142521130 its reverse (311252411), we get a palindrome (1453773541).

The spelling of 1142521130 in words is "one billion, one hundred forty-two million, five hundred twenty-one thousand, one hundred thirty".