1051215242 has 32 divisors (see below), whose sum is σ = 2069383680. Its totient is φ = 388007280.

The previous prime is 1051215241. The next prime is 1051215283. The reversal of 1051215242 is 2425121501.

It is a super-2 number, since 2×1051215242² = 2210106970026237128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051215241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176708 + ... + 182559.

It is an arithmetic number, because the mean of its divisors is an integer number (64668240).

Almost surely, 2^1051215242 is an apocalyptic number.

1051215242 is a deficient number, since it is larger than the sum of its proper divisors (1018168438).

1051215242 is a wasteful number, since it uses less digits than its factorization.

1051215242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359306.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1051215242 is about 32422.4496606904. The cubic root of 1051215242 is about 1016.7883223167.

Adding to 1051215242 its reverse (2425121501), we get a palindrome (3476336743).

The spelling of 1051215242 in words is "one billion, fifty-one million, two hundred fifteen thousand, two hundred forty-two".