1021142152 has 8 divisors (see below), whose sum is σ = 1914641550. Its totient is φ = 510571072.

The previous prime is 1021142119. The next prime is 1021142173. The reversal of 1021142152 is 2512411201.

1021142152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 679853476 + 341288676 = 26074^2 + 18474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1021142152² = 2085462589182382208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63821377 + ... + 63821392.

Almost surely, 2^1021142152 is an apocalyptic number.

It is an amenable number.

1021142152 is a deficient number, since it is larger than the sum of its proper divisors (893499398).

1021142152 is a wasteful number, since it uses less digits than its factorization.

1021142152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127642775 (or 127642771 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1021142152 is about 31955.3149256896. The cubic root of 1021142152 is about 1006.9982936364.

Adding to 1021142152 its reverse (2512411201), we get a palindrome (3533553353).

The spelling of 1021142152 in words is "one billion, twenty-one million, one hundred forty-two thousand, one hundred fifty-two".