1030123402 has 64 divisors (see below), whose sum is σ = 2018525184. Its totient is φ = 382314240.

The previous prime is 1030123363. The next prime is 1030123417. The reversal of 1030123402 is 2043210301.

It is a happy number.

It is a super-2 number, since 2×1030123402² = 2122308446696107208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1193223 + ... + 1194085.

It is an arithmetic number, because the mean of its divisors is an integer number (31539456).

Almost surely, 2^1030123402 is an apocalyptic number.

1030123402 is a deficient number, since it is larger than the sum of its proper divisors (988401782).

1030123402 is a wasteful number, since it uses less digits than its factorization.

1030123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030123402 is about 32095.5355462407. The cubic root of 1030123402 is about 1009.9419637926.

Adding to 1030123402 its reverse (2043210301), we get a palindrome (3073333703).

The spelling of 1030123402 in words is "one billion, thirty million, one hundred twenty-three thousand, four hundred two".