1262061142 has 16 divisors (see below), whose sum is σ = 1909484352. Its totient is φ = 625584960.

The previous prime is 1262061133. The next prime is 1262061167. The reversal of 1262061142 is 2411602621.

It is a happy number.

It is a super-2 number, since 2×1262061142² = 3185596652292688328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141042 + ... + 149722.

It is an arithmetic number, because the mean of its divisors is an integer number (119342772).

Almost surely, 2^1262061142 is an apocalyptic number.

1262061142 is a deficient number, since it is larger than the sum of its proper divisors (647423210).

1262061142 is a wasteful number, since it uses less digits than its factorization.

1262061142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1262061142 is about 35525.4998838862. The cubic root of 1262061142 is about 1080.6709200003.

Adding to 1262061142 its reverse (2411602621), we get a palindrome (3673663763).

The spelling of 1262061142 in words is "one billion, two hundred sixty-two million, sixty-one thousand, one hundred forty-two".